Помогите с решением, пожалуйста. Поставьте глаголы, стоящие в скобках, в зависимости от смысла во времена группы Simple (Indefinite), Continuous или Perfect. Предложения переведите на русский язык.

1. They (to apply) new methods in their work already.

2. When you (to buy) this book? – I (to buy) it 3 days ago.

3. Yesterday when the professor (to come) into the laboratory, Jane (to write) down the results of her experiment.

4. Before he (to go) to the conference, he (to have) lunch.

5. Jack (to make) this experiment by 6 tomorrow.

6. The students (to solve) that complex mathematical problem only after the teacher (to help) them.

7. Where your friend (to live)? – He (to live) in the South.

8. If she (to use) different methods in her experiment, she (to get) different results.

9. Einstein (to present) his theory of relativity in 1905.

10. Look! The water in the tube (to boil).

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Ответы и объяснения

2013-03-21T02:49:47+04:00

1. They have already applied  new methods in their work.

2. When  did  you  buy this book? – I  bought it 3 days ago.

3. Yesterday when the professor came  into the laboratory, Jane was writting  down the results of  her experiment.

4. Before he went  to the conference, he had had  lunch.

5. Jack will have made this experiment by 6 tomorrow.

6. The students  will  solve  that complex mathematical problem only after the teacher  helps them.

7. Where does  your friend live? – He lives in the South.

8. If  she  uses different methods in her experiment, she will  get  different results

9. Einstein  presented  his theory of relativity in 1905.

10. Look! The water in the tubeis boiling..