7. Put the verb in Past Simple or Present Perfect. I.
My friend is a writer. He …………………………… (write) many books.
We ……………………………………… (not/have) a holiday last year.
I ……………………………….. (play) tennis yesterday afternoon.
What time …………………………… (you/go) to bed last night.
…………………………………….. (you/ever/meet) a famous people.
The weather ……………………………. (not/be) very good yesterday.
My hair is wet (мокрый). I ………………………………. (just/wash) it.
I ………………………………. (wash) my hair before breakfast this morning.
Kathy travels a lot. She ……………………………. (visit) many countries.
‘Is Sonia here?’ – ‘No, she ……………………………. (not/come) yet.
II.
It (be) very cold yesterday.
I (not see) him since 2006.
The new school (begin) working last year.
He (come) a moment ago.
The (not yet come) from the south.
When you (open) the window? – I (open) it ten minutes ago.
I don’t think you ever (see) Niagara falls.

I.
1. My friend is a writer. He has written many books.
In this sentence, we use Present Perfect because the action of writing the books is connected to the present. The emphasis is on the result or the completed action. 2. We did not have a holiday last year.
In this sentence, we use Past Simple because the action of not having a holiday happened in the past and is finished. 3. I played tennis yesterday afternoon.
In this sentence, we use Past Simple because the action of playing tennis happened in the past and is finished. 4. What time did you go to bed last night?
In this sentence, we use Past Simple because the action of going to bed happened in the past and is finished. 5. Have you ever met a famous person?
In this sentence, we use Present Perfect because the action of meeting a famous person is connected to the present. The emphasis is on the experience in someone's life. 6. The weather was not very good yesterday.
In this sentence, we use Past Simple because the state of the weather happened in the past and is finished. 7. My hair is wet. I have just washed it.
In this sentence, we use Present Perfect because the action of washing the hair is connected to the present. The emphasis is on the result or the completed action. 8. I washed my hair before breakfast this morning.
In this sentence, we use Past Simple because the action of washing the hair happened in the past and is finished. 9. Kathy travels a lot. She has visited many countries.
In this sentence, we use Present Perfect because the action of visiting many countries is connected to the present. The emphasis is on the result or the completed action. 10. 'Is Sonia here?' - 'No, she hasn't come yet.'
In this sentence, we use Present Perfect because the action of not coming yet is connected to the present. The emphasis is on the result or the completed action. II.
1. It was very cold yesterday.
In this sentence, we use Past Simple because the state of being very cold happened in the past and is finished. 2. I have not seen him since 2006.
In this sentence, we use Present Perfect because the action of not seeing him is connected to the present. The emphasis is on the result or the completed action. 3. The new school began working last year.
In this sentence, we use Past Simple because the action of beginning to work happened in the past and is finished. 4. He came a moment ago.
In this sentence, we use Past Simple because the action of coming happened in the past and is finished. 5. They have not yet come from the south.
In this sentence, we use Present Perfect because the action of not coming yet is connected to the present. The emphasis is on the result or the completed action. 6. When did you open the window? - I opened it ten minutes ago.
In this sentence, we use Past Simple because the action of opening the window happened in the past and is finished. 7. I don't think you have ever seen Niagara Falls.
In this sentence, we use Present Perfect because the action of seeing Niagara Falls is connected to the present. The emphasis is on the result or the completed action.