61. . Make the sentences negative.

Model A: Ann is reading a book. — Ann is not reading a book.

l. It is raining. 2. She is talking to her old friend. 3. I am buying sweets here. 4. Boys are playing football.

Model B: It was snowing when I left home. — It was not snowing when I left home.

1. We were having dinner when you rang me up. 2. John was listening to the latest news at 7 o'clock in the evening. 3. She was hurrying to the station at that moment.

62. Put the verb in brackets into the Present, Past or Future Continuous Tense.

1. He (to take) a bath now. 2. I (not to laugh) at you. 3. He (to come) here next week. 4. If I (to sleep) when he comes, please, wake me up. 5. What journal you (to read) when I came to the library? 6. The whole family (to have) dinner when the telephone rang. 7. Where he (to go) when the rain started? 8. She (to sing) over the radio at 5 o'clock tomorrow. 9. They will not go on excursion with us. They (to have) a lecture at 2 o'clock. 10. What you (to do) from 2 till 3 o'clock tomorrow? 11. The children (to play) when we return home. 12. Look! It is getting dark. It (to rain) in a minute.

63. Form questions with the question words given.

1. The expedition is returning next week. (When) 2. We are doing grammar exercises now. (What) 3. The mother is teaching her little son to read. (Who) 4. I am reading a book on modern art. (What) 5. They were still arguing when I entered the room. (Who) 6. Our group was staying in Vitebsk for some days. (For how long) 7. We were talking and he was listening to the radio. (What) 8. They will be moving to a new flat this month. (When) 9. We shall be listening to Petrov at the concert. (When) 10. He is coming tomorrow. (When)

64. Translate into English.

1. Что вы обсуждаете? — Мы обсуждаем план будущей экскурсии. 2. Вы идете в кино с нами? 3. О чем вы сейчас думаете? 4. Автобус уже отправлялся, когда я подошел к остановке. 5. Что он делал, когда вы зашли к нему? 6. Идет дождь, и мы не можем поехать за город.

Времена группы Perfect

65. Give the main forms of the following irregular verbs:

go, see, hear, show, write, read, make, take, have, be, meet, begin, give, tell, say, speak, buy, build, spend, leave.

66. Use the Present Perfect Tense.

Mоde1 A: I read this book. (already) — I have already read this book.

1. He gets up at 6 a.m. (just) 2. We translate English texts every week. (already) 3.I see her every day. (today) 4. They pass the exams every year. (already) 5. I know him very well. (since 1980)

B. Use the Past Perfect Tense.

Model B: We learnt to speak English. (by the end of the year) — We had learnt to speak English by the end of the year.

1. They finished their experiment. (by 5 o'clock) 2. She typed the letter. (by the time we returned) 3. He looked through the documents. (by 12 o'clock) 4. He had supper at 8 o'clock. (by that time)

C. Use the Future Perfect Tense.

Mоde1 C: He will do this work. (by tomorrow) — He will have done this work by tomorrow.

1. I'll make dinner tomorrow. (by the time my husband comes) 2. They will build the shop next year. (before we move there) 3. We are packing the things. (by the time the taxi comes) 4. They will pass the exams in June. (by July)