1. Children after 15 must go to school
2. This exercise is optional - you don't have to do it
3. If you break the rules, you'll get punished
4 You don't have to do extra work if it's difficult
5. Students don't have to wear a uniform in our school and so you can wear what you want
6. If you have to do it now, I'll help you
7. You mustn't drink and drive, it's illegal.
8. You mustn't open the car door when the car is moving
9. You shouldn't eat chocolate just before you go to bed because it isn't good for your teeth.
1) - “I know Sally Robinson.”
- “Really? How long have you known her?
- Oh, for for quite a long time now.
- When did you first meet her?
2) Has your husband ever had pneumonia?
- Yes, he has had it twice. He had it ten years ago, and once when he was a child
3) (It is 10 o’clock in the morning.) Have you seen Mrs Carter this morning?
- Yes, I have seen her when I arrived in the office, but she has gone out soon afterwards.
4) (It’s the middle of the afternoon.) I’m really hungry. I didn't have any breakfast this morning and I haven’t had time to go out for anything to eat this afternoon.
