1. Поставьте следующие предложения в вопросительную и отрицательную форму. 1. Our customers are from English-speaking countries. 2. There was a confidential document in that safe. 3. She must know a foreign language in order to be a good secretary. 4. The Earth goes round the Sun. 5. Alex is getting married next month. 6. The police stopped me on my way home last night. 7. Yesterday Tom woke up early. 8. Lots of things have happened since 1 last wrote to you. 9. They'll have business talks tomorrow morning.

1.Are our customers from English-speaking countries?

Our customers are not from English-speaking countries.

2.Was there a confidential document in that safe?

There wasn't a confidential document in that safe.

3.Must she know a foreign language in order to be a good secretary?

She mustn't know a foreign language in order to be a good secretary.

4.Does The Earth go round the Sun?

The Earth doesn't go round the Sun.

5.Is Alex getting married next month?

Alex isn't getting married next month.

6.Did the police stop me on my way home last night?

The police didn't stop me on my way home last night.

7. Did Tom wake up early yesterday?

Yesterday Tom didn't wake up early.

8. How many things have happened since I last wrote to you?

Lots of things have not happened since I last wrote to you

9. Will they have business talks tomorrow morning?

They won't have business talks tomorrow morning