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Questions tagged [perfect-aspect]

For questions about the perfect, a construction generally formed in English with a form of "have" followed by a past participle. The English perfect may be classified either as a grammatical "aspect" or "tense".

1
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2answers
6k views

Present perfect or past perfect with “yesterday”?

I have marked those books yesterday. I had marked those books yesterday. Which sentence is correct? I know that: The present perfect is used when an action begins in the past and continues into ...
3
votes
1answer
2k views

Past/Present tense in a conditional statement

I'm not an English speaker. Even though I do understand conditional statements that are written by others but when it comes to my turn I still feel confused and don't really know how to organize it. ...
3
votes
4answers
385 views

“Be able to,” “can” in reduced relative pronouns

I am trying to remember whether the sentences below are correct: I don't know this guy being able to complete this task. I don't know this guy can complete this task. I think the first one is ...
14
votes
5answers
43k views

Can the present perfect continuous construct be used in passive voice?

Can the passive voice be used for sentences in the present perfect continuous? I understand the present perfect and its passive voice (have/has built, has been built). However, the passive voice of ...
2
votes
4answers
25k views

What is the tense of “I would have been happy to…”?

I would have been happy to let you use the money, if you would give me a date to leave. Is this a past present tense? I need to explain this statement I made, correctly.
9
votes
1answer
8k views

How to correctly use the present perfect tense

This link states that: When you use the present perfect tense you have to be talking about a period of time that you still consider to be going on. For example, if it’s still morning, you can say, "...
6
votes
1answer
6k views

Speculative conditional: Why does it use the past tense or past perfect tense?

We use simple past to state a hypothetical present situation that we would like to speculate about (If they were here, I would be happy), past perfect for a hypothetical past (had they been here, I ...
12
votes
2answers
71k views

How to use “have been —ing”

I know the present perfect continuous is used for activity which has stopped recently or now. When it combines with for, since, or how long an activity is done, it means the activity is still ...
46
votes
4answers
808k views

When is it necessary to use “have had”?

I have read a few sentences that contain "have had". I would like to know in what kind of situations we should use use this combination.