We can also describe events that have not happened.
I haven’t found her phone number yet .
The result of the event is present .
I’ ve broken my arm, as you can see.
I think I’ ve eaten something bad. I don’t feel well.
2) Indefinite events
Present Perfect Simple – No definite time is given for the event.
I ’ve been to France three times.
Compared with Past Simple – Events described using the Past Simple have definite time (yesterday, last week ...)
I went to France last year .
Gerald has bought a new car. He bought it last week .
Have you met Ray? – Yes, I met him when we were students .
My parents have been to India. In fact, they went there twice last year .
Has anybody phoned me? – Yes, Joyce phoned an hour ago .
I ’ve seen that man before. – Really? When did you see him?
3) Unfinished period of time
Some words or phrases of time, e.g. today, this morning / week / month / year , can be used with either the Present Perfect or the Past Simple . If the period is not finished at the time of speaking / writing, the Present Perfect is used.
I haven’t seen Rachel this morning . Have you? – No, she hasn’t come yet . (It’s still morning.)
I didn’t see Rachel this morning . Did you? – No, she didn’t come in at all. (It’s afternoon or evening.)
4) Unfinished action
The Present Perfect can be used only for events or actions that are connected with the present . With events, people or actions that are known to be connected with the past (e.g. historical events, people who are dead), the Past Simple is used.
Stephen King has written many books.
Agatha Christie wrote detective stories.
U2 have sung all over the world.
How many songs did the Beatles write ?
Circle the correct tense
I looked up at the sky and saw / have seen a very bright light.
I lost / have lost the keys to my car. I don’t know what to do.
I felt /have felt much better when I got to the mountains.
It rained / has rained for two days before we could leave the hotel for the first time.
I told / have told you the same thing over and over again. Why don’t you listen? I’ll tell you again, but please pay attention this time.
It became /has become very hot in here suddenly. Is there something wrong with the air-conditioning?
Haven’t you finished your homework yet? I finished / have finished mine hours ago.
I waited /have waited for hours but nobody came.
I met / have met many interesting people since I came here last May.
You smoked / have smoked ten cigarettes so far today. Don’t you think you should stop?
Last week I invited / have invited a few friends over for dinner.
After less than 10 minutes they realised / have realised that they were lost.