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Questions and Answers
Which sentence is in the present perfect tense?
Which sentence is in the present perfect tense?
- She walks to school every day.
- She is walking to school now.
- She walked to school yesterday.
- She has walked to school today. (correct)
How do you form a negative sentence in the present perfect?
How do you form a negative sentence in the present perfect?
- Subject + have/has + past participle + not
- Subject + past participle + have/has + not
- Subject + have/has + not + past participle (correct)
- Subject + not + have/has + past participle
How do you form a wh-question in the present perfect?
How do you form a wh-question in the present perfect?
- Wh-word + subject + have/has + past participle?
- Wh-word + past participle + have/has + subject?
- Wh-word + have/has + subject + past participle? (correct)
- Wh-word + subject + past participle + have/has?
Which of these sentences is using an imperative with a unit noun correctly?
Which of these sentences is using an imperative with a unit noun correctly?
Which of these sentences is using an imperative with a plural noun correctly?
Which of these sentences is using an imperative with a plural noun correctly?
Which of these verbs is in the past participle form?
Which of these verbs is in the past participle form?
What is the difference between a when clause and a time clause?
What is the difference between a when clause and a time clause?
Which tense is commonly used in a when clause?
Which tense is commonly used in a when clause?
What is the function of a subordinating conjunction in a when clause?
What is the function of a subordinating conjunction in a when clause?
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Study Notes
Identifying Sentence Structures
- A sentence in the present perfect tense can be identified by its structure, which involves the auxiliary verb "has" or "have" + the past participle form of the main verb.
Forming Negative Sentences in the Present Perfect
- To form a negative sentence in the present perfect, use the auxiliary verb "has" or "have" + "not" + the past participle form of the main verb.
Forming WH-Questions in the Present Perfect
- To form a WH-question in the present perfect, use the question word (e.g. what, when, where) + "has" or "have" + the subject + the past participle form of the main verb.
Imperatives with Nouns
- An imperative with a unit noun (a single noun) should use the singular verb form.
- An imperative with a plural noun should use the plural verb form.
Verb Forms
- The past participle form of a verb is used in combination with auxiliary verbs like "has" or "have" to form the present perfect tense.
Clauses and Conjunctions
- A when clause is a type of subordinate clause that indicates a specific time of an action.
- A time clause is a general term for a clause that indicates time, but it may not specifically indicate when an action takes place.
- The present simple tense is commonly used in a when clause.
- A subordinating conjunction (e.g. when, because, although) introduces a subordinate clause and indicates the relationship between the clauses.
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