I.Поставьте нужную форму глаголов to be, to have.
1. Modern machinery (to be) used extensively every day.
2. In 1984 the technology and the network (to be) turned over to the private sector.
3. Each pupil in our class (to have) a personal computer.
4. She (to have) an interesting talk tomorrow.
II.Поставьте предложения в во и отрицательную формы.
1. They used pointed tools to dig and keep soil loosened.
2. It provides locomotion for many other implements.
3. We will study machine design next year.
4. He made many efforts to standardize the Internet.
III.Переведите модальные глаголы на английский язык.
1. Computer (может) receive a program and then carry out this program.
2. We (пришлось) to use a powerful 32- bit CPU.
3. You (можешь) take this spade if you like.
4. He (нет необходимости, не нужно) use this program.
IV.Поставьте предложения во множественное число.
1. This crop is bad.
2. That heat is low.
3. This is a procedure.
4. That is an alteration.

ответ:Past Continuous:

1.I was  playing computer games at five o'clock yesterday.

2.He was  playing computer games from two till three yesterday.

3.We were  playing  computer games the whole evening yesterday.

4.I was not sleeping at nine o'clock yesterday.

5.My sister was not playing the pi­ano at four o'clock yesterday.

6.She was playing the piano the whole evening.

7.When I came into the kitchen, mother was cooking.

8.She  was cooking the whole day yesterday.

9.We were washing  the floor in our flat from three till four yesterday.

10.Were you  doing your homework from eight till ten yesterday?

Presest Continuous:

1. I am not making a cake now.

2. Your friends are drinking coffee at this moment.

3. Students are reading an interesting book at this moment. .

4. She is singing a song at this moment..

5. John is preparing dinner ta the kitchen now.

6. Children are running in the park at this moment..

7. She is sitting at the table and doing her homework.

8. The boy is playing football in the yard now.

9. My sister is not playing the pi­ano now.

10. He is  playing computer games now