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Transcript

The present perfect

Present perfect with time adverbials

ÍNDICE

What it is?

When we use it

have been, have gone

Present perfect continuous

Present perfect for future

What it is?

The present perfect is formed from the present tense of the verb have and the past participle of a verb.

I've seen that film before. I've played the guitar ever since I was a teenager. He has written three books and he is working on another one.
They've been married for nearly fifty years. She has lived in Liverpool all her life.

1-For something that has happened, and it is still going right now. 2-When we are talkin of something we know until now, you can also use "ever" 3-We use "never for the negative form.

When we use it?

We use the present perfect when:

A: Where have you been? B: I've just been out to the supermarket. A: Have you ever been to San FranciscoB: No, but I've been to Los Angeles.A: Where's Maria? I haven't seen her for weeks.B: She's gone to Paris for a week. She'll be back tomorrow.

Have been and have gone

We use have/has been when someone has left to a place and then it came back But we use have/has gone when he has not returned

I've worked here since I left school. I've been watching that programme every week since it started.
Scientists have recently discovered a new breed of monkey. We have just got back from our holidays.

Present perfect with time adverbials

We use the present perfect with adverbials which refer to the recent past For example "recently", "just" or "only just" After a phrase with the present perfect we often use another one with "since" to show when something started in the past

She has been living in Liverpool all her life. It's been raining for hours. I'm tired out. I've been working all day. They have been staying with us since last week.

Present perfect continuous

The present perfect continuous is formed with have/has been and the -ing form of the verb We use the present perfect continuous to emphasise that something is still continuing in the present

I'll keep looking until I find my book. We'll begin when everyone arrives. I'll keep looking until I have found my book.We'll begin when everyone has arrived.

Present perfect for future

We use the present simple to talk about the future in phrases with before, after, until, etc..