Answer :
Answer:
Explanation:
The auxiliary verb "have" has various uses in sentences. Let's explore the following uses with explanations:
### To form perfect tenses
The verb "have" is used as an auxiliary verb to form perfect tenses, which indicate completed actions or states. The perfect tenses include the present perfect, past perfect, and future perfect.
- **Present Perfect:** "I have finished my homework."
- **Past Perfect:** "She had left before I arrived."
- **Future Perfect:** "They will have graduated by next year."
### To form questions
When forming questions, "have" can be used as an auxiliary verb to create the correct structure.
- **Present Perfect Question:** "Have you seen this movie?"
- **Past Perfect Question:** "Had they eaten before the show started?"
### To form passive voice
In the passive voice, "have" is used along with "been" to indicate that the subject is acted upon.
- **Present Perfect Passive:** "The report has been written."
- **Past Perfect Passive:** "The cake had been eaten before the party started."
### To form negative statements
The verb "have" is used with "not" to create negative statements.
- **Present Perfect Negative:** "I have not finished my homework."
- **Past Perfect Negative:** "She had not left when I arrived."
- **Future Perfect Negative:** "They will not have graduated by next year."
### Summary
The auxiliary verb "have" is versatile and essential in English grammar for forming perfect tenses, questions, passive voice constructions, and negative statements.
