1. I can stay in bed tomorrow morning because I don't have to work. 2. Whatever you do, you mustn't touch that switch. It`s very dangerous. 3. You mustn't forget what I told you. It`s very important. 4. We don't have to leave yet. We`ve got plenty of time. 5. Ann was feeling ill last night. She had to leave the party early. 6. I had to go to the bank yesterday to get some money. 7. The windows are very dirty. I must clean them. 8. The windows aren`t dirty. You don't have to clean them. 9. We arrived home very late last night. We had to wait half an hour for a taxi. 10. These cakes are very nice. You must have one. 11. We don't have to take an umbrella. It`s not going to rain.
I was reading at 7 p.m. yesterday.
We were singing a song from 6 till 7p.m. yesterday.
He was playing tennis the whole day yesterday.
She was watching TV for 4 hours yesterday.
They were learing new words since 5 p.m. yesterday.
Was I reading at 7 o'clock yesterday?
Were we singing a song from 6 till 7 yesterday?
Was he playing tennis at that time yesterday?
Was she watching TV the whole evening yesterday?
Were they learing new words at 5 p.m. yesterday?
I wasn't reading at 7 o'clock yeaterday.
We weren't singing a song from 6 till 7 yesterday.
He was playing tennis at that time yesterday.
She wasn'y watching TV from 4 till 6 p.m. yesterday.
They weren't learing new words the whole evening yesterday.
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2. Whatever you do, you mustn't touch that switch. It`s very dangerous.
3. You mustn't forget what I told you. It`s very important.
4. We don't have to leave yet. We`ve got plenty of time.
5. Ann was feeling ill last night. She had to leave the party early.
6. I had to go to the bank yesterday to get some money.
7. The windows are very dirty. I must clean them.
8. The windows aren`t dirty. You don't have to clean them.
9. We arrived home very late last night. We had to wait half an hour for a taxi.
10. These cakes are very nice. You must have one.
11. We don't have to take an umbrella. It`s not going to rain.