IV. Open the brackets and use the verbs in the appropriate tense forms.
1. At 9 o’clock tomorrow I (sit) at the lesson.
2. We can’t go out. It (rain) hard.
3. By the time we left school, we (learn) English well.
4. I hope, I (see) you on Monday
5. This company (produce) these cars since 1978.
6. Please, give me a pencil. I (lose) mine.
7. This time last year he (prepare) for his entrance exams.

At 9 o’clock tomorrow I will be sitting  at the lesson.

2. We can’t go out. It is raining  hard.

3. By the time we left school, we will have been learnt  English well.

4. I hope, I will see  you on Monday

5. This company has been produced  these cars since 1978.

6. Please, give me a pencil. I have lost  mine.

7. This time last year he had been preparing  for his entrance exams.

Объяснение:

1. Will sit

2.it is raining

3.were learning

4.i will see

5.have produced

6.have lost

7.was preparing

Объяснение:

Tomorrow-future

Hope-will

Since-present perfect (time expression)

Lose-when? We don't know so it is present perfect

This time last year-past continious(i think so)