Exercise 1. Выберите правильный вариант. l. Kate, what (am, is, are) you doing now? 2. I am making a cake, then I (am, is, are) going to have tea. 3. My sister (am, is, are) coming today. 4. (am, is, are) you watching a talk show? 5. No, I (am, a football match. 6. He (am, is, are) not playing tennis now, he (an, is, are) having a rest. 7. They (am, is, are) doing shopping now. 8. Oleg (am, is, are) not doing his homework, he (am, is, are) having lunch. 9. My parents (am, is, are) working in the garden now. 10. My mother (am, is, are) planting flowers, my father (am, is, are) repairing the fence. 11. Where (am, is, are) you going? 12. I (am, is, are) going to the office. 13. What (am, is, are) you looking for? 14. I (am, is, are) looking for my gloves. 15. What (am, is, are) she talking about? 16. They (am, is, are) discussing some problems with our business partners. 17. Susan (am, is, are) sitting in the armchair and reading a book. 18. Mark and Mary (am, is, are) waiting for visitors. 19. They (am, is, are) laying the table in the dining room.

ответ:1-are;2-am;3-is;4-are; 5-am; 6-is; 7-are;8-is;9-are;10-is;11-are;12-am;13-are;14-am;15-is;16-are;17-is;18-are;19-are

Объяснение:

l. Kate, what are you doing now? 2. I am making a cake, then I am going to have tea. 3. My sister is coming today.

4. Are you watching a talk show? 5. No, I am watching a football match. 6. He is not playing tennis now, he is having a rest. 7. They are doing shopping now. 8. Oleg is not doing his homework, he is having lunch.

9. My parents are working in the garden now. 10. My mother is planting flowers, my father is repairing the fence.

11. Where are you going? 12. I am going to the office.

13. What are you looking for? 14. I am looking for my gloves. 15. What is she talking about? 16. They are discussing some problems with our business partners. 17. Susan is sitting in the armchair and reading a book. 18. Mark and Mary are waiting for visitors. 19. They are laying the table in the dining room.

Объяснение:

1) Tropical...climatesare hot and humid.
2) The heavy snowfall may...prevent..us from going out.
3) Bringing up children is a difficult...task
4) Globalwarming...affects the sea level.
5) That scientists is an...experton fossil fuels.
6) Something has to be done before more animals and plants become..extinct..
7) Cars ..release... fumes and pillute the atmosphere.
8) He promised to come but then he..changed...his mind.
9) We can all ..makea difference to the environment.
10) Gorillas are an...endangeredspecies.

Present simple:
Утвердителыные:
1)I am busy (Я занят)
2)We often go shopping (Мы часто ходим за покупками)
3)I get up at seven o’clock in the morning every day (Я встаю в семь часов утра каждый день)
4)It is very interesting (Это очень интересно)
5)They often help us (Они часто нам)
Отрицательные:
1)They don’t live in Moscow (Они не живут в Москве)
2)We don’t know what to do (Мы не знаем что делать)
3)They don’t listen to the teacher (Они не слушают учителя)
4)It isn’t important (Это не важно)
5)You don’t study hard (Ты не занимаешься усердно)
Present continuous
Утвердителыные:
1) We are travelling now (Мы сейчас путешествуем)
2)I’m going home (Я иду домой)
3)I am listening to music now (Я слушаю музыку сейчас)
4) She’s reading a book now (Она читает книгу сейчас)
5)He is playing football now (Он сейчас играет в футбол)
Отрицательные:
1) She is not cooking dinner, she is laying the table (Она не готовит обед, она накрывает на стол)
2) I am not doing my homework, I am writing a letter (Я не делаю домашнее задание, я пишу письмо)
3) They are not reading a text, they are listening to their teacher (Они не читают текст, они слушают своего учителя)
4) I am not studying to become a dentist (Я не учусь на стоматолога)
5) I am not reading any books right now (Сейчас я не читаю никакие книги)