Перепишите каждое предложение дважды в прошедшем и будущем времени. 1.It is quite clear to everybody in his family that he must start getting ready for his exam instead of wasting time 2.It is impossible to do anything in such a short time. I most ask the chief to pit up my report. 3.You must listen to the tape recording of this text several times 4. He can't join the party because he is busy

Прошедшее время: It was quite clear to everybody in his family that he had to start getting ready for his exam instead of wasting time.

Будущее время: It will be quite clear to everybody in his family that he will have to start getting ready for his exam instead of wasting time.

Прошедшее время: It was impossible to do anything in such a short time. I had to ask the chief to type up my report.

Будущее время: It will be impossible to do anything in such a short time. I will have to ask the chief to type up my report.

Прошедшее время: You had to listen to the tape recording of this text several times.

Будущее время: You will have to listen to the tape recording of this text several times.

Прошедшее время: He couldn't join the party because he was busy.

Будущее время: He won't be able to join the party because he will be busy.