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Trắc nghiệm Ngữ pháp IELTS (SEO) - Bộ 5

Trắc nghiệm Ngữ pháp IELTS (SEO) - Bộ 5

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Câu 1: Which of the following sentences correctly uses an inverted conditional structure to discuss website security?

A. Had a website experience a security breach, its search engine rankings will drop significantly.
B. Were a website to experience a security breach, its search engine rankings would drop significantly.
C. Should a website experienced a security breach, its search engine rankings would drop significantly.
D. If a website were to experienced a security breach, its search engine rankings would drop significantly.

💡 Lời giải chi tiết:

According to standard English grammar rules, an inverted second conditional begins with 'Were' followed by the subject and a 'to-infinitive', making the designated option correct. Kết luận Lý giải: Were a website to experience a security breach, its search engine rankings would drop significantly.

Câu 2: Identify the sentence that correctly employs a non-defining relative clause to describe Google's RankBrain algorithm.

A. RankBrain that is a machine-learning-based algorithm helps Google process search queries.
B. RankBrain, that is a machine-learning-based algorithm, helps Google process search queries.
C. RankBrain, which is a machine-learning-based algorithm, helps Google process search queries.
D. RankBrain which is a machine-learning-based algorithm helps Google process search queries.

💡 Lời giải chi tiết:

According to formal grammar rules, non-defining relative clauses must be enclosed in commas and cannot use the relative pronoun 'that', which validates the selected sentence. Kết luận Lý giải: RankBrain, which is a machine-learning-based algorithm, helps Google process search queries.

Câu 3: Choose the grammatically correct sentence regarding digital marketing metrics.

A. The bounce rate, along with organic impressions and click-through rates, is a key metric for SEO analysis.
B. The bounce rate, along with organic impressions and click-through rates, are a key metric for SEO analysis.
C. The bounce rate, along with organic impressions and click-through rates, have been a key metric for SEO analysis.
D. The bounce rate, along with organic impressions and click-through rates, were a key metric for SEO analysis.

💡 Lời giải chi tiết:

In English grammar, parenthetical phrases introduced by 'along with' do not alter the number of the subject, meaning the singular subject 'The bounce rate' requires the singular verb 'is'. Kết luận Lý giải: The bounce rate, along with organic impressions and click-through rates, is a key metric for SEO analysis.

Câu 4: Which sentence correctly uses a cleft structure to emphasize the importance of mobile responsiveness?

A. What determines a website's ranking in mobile search results is mobile responsiveness that.
B. It is mobile responsiveness that determines a website's ranking in mobile search results.
C. It determines mobile responsiveness which is a website's ranking in mobile search results.
D. What mobile responsiveness determines is a website's ranking in mobile search results that.

💡 Lời giải chi tiết:

A standard 'it-cleft' sentence uses the structure 'It + is/was + emphasized element + that/who + rest of sentence', making the selected option correct. Kết luận Lý giải: It is mobile responsiveness that determines a website's ranking in mobile search results.

Câu 5: Which sentence correctly uses verb patterns to convey an expert's advice on keywords?

A. The specialist recommended to optimize the meta descriptions rather than stuffing keywords.
B. The specialist suggested us to optimize the meta descriptions rather than stuffing keywords.
C. The specialist recommended that we optimizing the meta descriptions rather than stuffing keywords.
D. The specialist recommended optimizing the meta descriptions rather than stuffing keywords.

💡 Lời giải chi tiết:

The verb 'recommend' is followed directly by a gerund when there is no indirect object, which validates the chosen sentence. Kết luận Lý giải: The specialist recommended optimizing the meta descriptions rather than stuffing keywords.

Câu 6: In evaluating a past organic traffic drop, which sentence uses modals of deduction correctly?

A. The sudden decline in rankings suggests that the site must have been penalized by the latest core update.
B. The sudden decline in rankings suggests that the site must be penalized by the latest core update last month.
C. The sudden decline in rankings suggests that the site should have penalized by the latest core update.
D. The sudden decline in rankings suggests that the site might have penalizing by the latest core update.

💡 Lời giải chi tiết:

To express a strong logical deduction about a past passive event, the structure 'must have been + past participle' is required, rendering the chosen sentence correct. Kết luận Lý giải: The sudden decline in rankings suggests that the site must have been penalized by the latest core update.

Câu 7: Identify the sentence with a correct parallel structure suitable for a high-quality SEO checklist.

A. To rank higher, a webmaster must focus on content optimization, building quality backlinks, and to improve site speed.
B. To rank higher, a webmaster must focus on optimizing content, building quality backlinks, and improving site speed.
C. To rank higher, a webmaster must focus on optimizing content, quality backlinks, and to improve site speed.
D. To rank higher, a webmaster must focus on optimizing content, how to build quality backlinks, and site speed.

💡 Lời giải chi tiết:

Parallel structure requires all listed items to share the same grammatical form, which is correctly achieved by using three parallel gerund phrases. Kết luận Lý giải: To rank higher, a webmaster must focus on optimizing content, building quality backlinks, and improving site speed.

Câu 8: Which sentence correctly employs the subjunctive mood to propose an SEO action plan?

A. It is imperative that the web developer update the XML sitemap immediately.
B. It is imperative that the web developer updates the XML sitemap immediately.
C. It is imperative that the web developer updated the XML sitemap immediately.
D. It is imperative that the web developer will update the XML sitemap immediately.

💡 Lời giải chi tiết:

The subjunctive mood, triggered by adjectives like 'imperative', requires the base form of the verb regardless of the subject's person or number. Kết luận Lý giải: It is imperative that the web developer update the XML sitemap immediately.

Câu 9: Which sentence correctly uses a perfect participle clause to join two actions in an SEO workflow?

A. Conducting a thorough keyword research, the marketer has begun drafting the search-optimized article.
B. Having keyword research conducted, the marketer began drafting the search-optimized article.
C. Having conducted a thorough keyword research, the marketer began drafting the search-optimized article.
D. Having been conducted a thorough keyword research, the marketer began drafting the search-optimized article.

💡 Lời giải chi tiết:

A perfect participle clause beginning with 'Having' followed by a past participle is used to show that one action was completed before another started. Kết luận Lý giải: Having conducted a thorough keyword research, the marketer began drafting the search-optimized article.

Câu 10: Choose the sentence that uses articles ('a', 'an', 'the') correctly in an SEO context.

A. The internet relies heavily on search engines to help users find relevant information.
B. An internet relies heavily on search engines to help users find relevant information.
C. The internet relies heavily on the search engines to help users find a relevant information.
D. Internet relies heavily on search engines to help users find relevant information.

💡 Lời giải chi tiết:

Standard English usage requires 'the' before 'internet' and no article before plural count nouns or uncountable nouns when speaking generally. Kết luận Lý giải: The internet relies heavily on search engines to help users find relevant information.

Câu 11: Which sentence correctly uses a passive reporting structure to discuss a Google update?

A. The core update is rumored to impact thousands of thin-content websites yesterday.
B. The core update rumored to have been impacted thousands of thin-content websites.
C. The core update is rumored to have impacted thousands of thin-content websites.
D. It is rumored the core update to have impacted thousands of thin-content websites.

💡 Lời giải chi tiết:

The passive reporting structure 'subject + is rumored + to have + past participle' is correctly used to describe a rumored past event. Kết luận Lý giải: The core update is rumored to have impacted thousands of thin-content websites.

Câu 12: Select the grammatically correct sentence that highlights a contrast in SEO results.

A. Despite implementing all recommended technical optimizations, the website failed to see an immediate boost in organic rankings.
B. Despite the website implemented all recommended technical optimizations, it failed to see an immediate boost in organic rankings.
C. Although implementing all recommended technical optimizations, the website failed to see an immediate boost in organic rankings.
D. In spite of the website has implemented all recommended technical optimizations, it failed to see an immediate boost in organic rankings.

💡 Lời giải chi tiết:

The preposition 'Despite' must be followed by a noun phrase or a gerund, whereas 'although' requires a full subject-verb clause. Kết luận Lý giải: Despite implementing all recommended technical optimizations, the website failed to see an immediate boost in organic rankings.

Câu 13: Which of the following sentences correctly utilizes a noun clause as the grammatical subject?

A. Whether will the new algorithm update reward long-form content remains to be seen.
B. Whether the new algorithm update will reward long-form content remains to be seen.
C. That the new algorithm update will reward long-form content remain to be seen.
D. Whether the new algorithm update rewards long-form content remaining to be seen.

💡 Lời giải chi tiết:

A noun clause acting as a subject uses statement word order and takes a singular verb, validating the chosen statement. Kết luận Lý giải: Whether the new algorithm update will reward long-form content remains to be seen.

Câu 14: Which sentence correctly uses a perfect infinitive to show a past action by a search engine?

A. Google is believed to launch its first major panda update in 2011.
B. Google is believed to have launched its first major panda update in 2011.
C. Google is believed having launched its first major panda update in 2011.
D. Google is believed to be launching its first major panda update in 2011.

💡 Lời giải chi tiết:

To express a past action with a passive reporting verb in the present tense, a perfect infinitive structure is grammatically required. Kết luận Lý giải: Google is believed to have launched its first major panda update in 2011.

Câu 15: Identify the sentence that correctly structures a double comparative relating to click-through rates.

A. The more compelling the meta title is, the click-through rate will be higher.
B. The compelling the meta title is, the higher will be the organic click-through rate.
C. The more compelling the meta title is, the higher the organic click-through rate will be.
D. More compelling the meta title is, higher the organic click-through rate will be.

💡 Lời giải chi tiết:

Double comparatives must strictly follow the parallel structure 'The + comparative + clause, the + comparative + clause'. Kết luận Lý giải: The more compelling the meta title is, the higher the organic click-through rate will be.

Câu 16: Which sentence correctly applies prepositions/conjunctions of cause and effect in analytical reporting?

A. The increase in organic traffic was largely due to the meticulous optimization of image alt tags.
B. The increase in organic traffic was largely because the meticulous optimization of image alt tags.
C. The increase in organic traffic was largely resulting of the meticulous optimization of image alt tags.
D. The increase in organic traffic was largely owing for the meticulous optimization of image alt tags.

💡 Lời giải chi tiết:

The phrase 'due to' is correctly used as an adjectival prepositional phrase acting as a subject complement after the verb 'was'. Kết luận Lý giải: The increase in organic traffic was largely due to the meticulous optimization of image alt tags.

Câu 17: Which sentence uses a relative clause to refer to a whole preceding statement about website optimization?

A. The developer fixed all crawl errors, that immediately improved the indexation rate.
B. The developer fixed all crawl errors, what immediately improved the indexation rate.
C. The developer fixed all crawl errors which it immediately improved the indexation rate.
D. The developer fixed all crawl errors, which immediately improved the indexation rate.

💡 Lời giải chi tiết:

A sentence relative clause must use the relative pronoun 'which' preceded by a comma to refer to the entire situation described in the main clause. Kết luận Lý giải: The developer fixed all crawl errors, which immediately improved the indexation rate.

Câu 18: Which mixed conditional sentence correctly describes the current consequence of a past action in web development?

A. If the company optimized its site for mobile devices years ago, it would hold a stronger market position today.
B. If the company had optimized its site for mobile devices years ago, it would hold a stronger market position today.
C. If the company had optimized its site for mobile devices years ago, it would have held a stronger market position today.
D. If the company has optimized its site for mobile devices years ago, it would hold a stronger market position today.

💡 Lời giải chi tiết:

To describe an unreal past condition and its hypothetical present result, a mixed conditional structure of past perfect in the if-clause and would + base verb in the main clause is required. Kết luận Lý giải: If the company had optimized its site for mobile devices years ago, it would hold a stronger market position today.

Câu 19: Which sentence correctly employs inversion with a correlative conjunction for emphasis?

A. Not only does quality content attract organic visitors, but it also establishes brand authority.
B. Not only quality content attracts organic visitors, but also it establishes brand authority.
C. Not only does quality content attracts organic visitors, but it also establishes brand authority.
D. Not only quality content does attract organic visitors, but it also establishes brand authority.

💡 Lời giải chi tiết:

When 'not only' begins a sentence, the first clause must undergo subject-auxiliary inversion, requiring the helping verb 'does' followed by the base form of the verb. Kết luận Lý giải: Not only does quality content attract organic visitors, but it also establishes brand authority.

Câu 20: Select the sentence that displays the correct order of cumulative adjectives describing a search platform tool.

A. The company developed a sleek new digital analytics tool to track user behavior.
B. The company developed a digital sleek new analytics tool to track user behavior.
C. The company developed a new sleek digital analytics tool to track user behavior.
D. The company developed a sleek digital new analytics tool to track user behavior.

💡 Lời giải chi tiết:

English cumulative adjectives must follow the traditional order of opinion, age, and purpose/type, validating the chosen option. Kết luận Lý giải: The company developed a sleek new digital analytics tool to track user behavior.

Câu 21: Which sentence correctly distinguishes between transitive and intransitive verbs when discussing search engine rankings?

A. When a website's page speed improves, its search engine rankings will naturally raise.
B. When a website's page speed improves, its search engine rankings will naturally arose.
C. When a website's page speed improves, its search engine rankings will naturally rose.
D. When a website's page speed improves, its search engine rankings will naturally rise.

💡 Lời giải chi tiết:

The verb 'rise' is intransitive and does not require a direct object, making it the grammatically correct word to describe an upward movement of rankings. Kết luận Lý giải: When a website's page speed improves, its search engine rankings will naturally rise.

Câu 22: Which sentence correctly pairs quantifiers with countable or uncountable nouns in an SEO metrics summary?

A. Optimizing for voice search yields less traffic but generates higher-quality leads.
B. Optimizing for voice search yields fewer traffic but generates higher-quality leads.
C. Optimizing for voice search yields less leads but generates higher-quality traffic.
D. Optimizing for voice search yields much leads but generates higher-quality traffic.

💡 Lời giải chi tiết:

The quantifier 'less' is strictly paired with uncountable nouns like 'traffic', whereas 'fewer' is reserved for countable nouns like 'leads'. Kết luận Lý giải: Optimizing for voice search yields less traffic but generates higher-quality leads.

Câu 23: Which sentence correctly applies the verb pattern for verbs of perception when describing traffic monitoring?

A. The webmaster observed the organic traffic steadily to climb after the schema markup was implemented.
B. The webmaster observed the organic traffic steadily climbing after the schema markup was implemented.
C. The webmaster observed the organic traffic steadily climbed after the schema markup was implemented.
D. The webmaster observed the organic traffic steadily to climbing after the schema markup was implemented.

💡 Lời giải chi tiết:

Verbs of perception like 'observe' are grammatically followed by an object and either a bare infinitive or a present participle to denote an ongoing action. Kết luận Lý giải: The webmaster observed the organic traffic steadily climbing after the schema markup was implemented.

Câu 24: Which sentence correctly uses the future perfect tense to project long-term SEO achievements?

A. By the end of this fiscal year, our technical team will optimize all old landing pages.
B. By the end of this fiscal year, our technical team will be optimizing all old landing pages.
C. By the end of this fiscal year, our technical team will have been optimize all old landing pages.
D. By the end of this fiscal year, our technical team will have optimized all old landing pages.

💡 Lời giải chi tiết:

The future perfect tense is used to express an action that will be completed before a specified point of time in the future. Kết luận Lý giải: By the end of this fiscal year, our technical team will have optimized all old landing pages.

Câu 25: Choose the grammatically correct sentence that introduces a basic principle of search indexing.

A. It is no doubt that crawling is the initial phase of search engine indexation.
B. There is no doubt that crawling is the initial phase of search engine indexation.
C. There is no doubtful that crawling is the initial phase of search engine indexation.
D. It is not doubt that crawling is the initial phase of search engine indexation.

💡 Lời giải chi tiết:

The existential construction 'There is no doubt that' is the standard idiomatic expression used to assert a widely accepted truth in English. Kết luận Lý giải: There is no doubt that crawling is the initial phase of search engine indexation.

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Kết quả của bạn:

Câu 1: Which of the following sentences correctly uses an inverted conditional structure to discuss website security?

Câu 2: Identify the sentence that correctly employs a non-defining relative clause to describe Google's RankBrain algorithm.

Câu 3: Choose the grammatically correct sentence regarding digital marketing metrics.

Câu 4: Which sentence correctly uses a cleft structure to emphasize the importance of mobile responsiveness?

Câu 5: Which sentence correctly uses verb patterns to convey an expert's advice on keywords?

Câu 6: In evaluating a past organic traffic drop, which sentence uses modals of deduction correctly?

Câu 7: Identify the sentence with a correct parallel structure suitable for a high-quality SEO checklist.

Câu 8: Which sentence correctly employs the subjunctive mood to propose an SEO action plan?

Câu 9: Which sentence correctly uses a perfect participle clause to join two actions in an SEO workflow?

Câu 10: Choose the sentence that uses articles ('a', 'an', 'the') correctly in an SEO context.

Câu 11: Which sentence correctly uses a passive reporting structure to discuss a Google update?

Câu 12: Select the grammatically correct sentence that highlights a contrast in SEO results.

Câu 13: Which of the following sentences correctly utilizes a noun clause as the grammatical subject?

Câu 14: Which sentence correctly uses a perfect infinitive to show a past action by a search engine?

Câu 15: Identify the sentence that correctly structures a double comparative relating to click-through rates.

Câu 16: Which sentence correctly applies prepositions/conjunctions of cause and effect in analytical reporting?

Câu 17: Which sentence uses a relative clause to refer to a whole preceding statement about website optimization?

Câu 18: Which mixed conditional sentence correctly describes the current consequence of a past action in web development?

Câu 19: Which sentence correctly employs inversion with a correlative conjunction for emphasis?

Câu 20: Select the sentence that displays the correct order of cumulative adjectives describing a search platform tool.

Câu 21: Which sentence correctly distinguishes between transitive and intransitive verbs when discussing search engine rankings?

Câu 22: Which sentence correctly pairs quantifiers with countable or uncountable nouns in an SEO metrics summary?

Câu 23: Which sentence correctly applies the verb pattern for verbs of perception when describing traffic monitoring?

Câu 24: Which sentence correctly uses the future perfect tense to project long-term SEO achievements?

Câu 25: Choose the grammatically correct sentence that introduces a basic principle of search indexing.

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