1. She has been sick for weeks.

2. Poor old Ted was sick for weeks.

3. Remember, if you are sick for a second week, we shall require a medical certificate.

4. If a member of staff is sick for more than 7 days they must provide a medical certificate.

5. He must be sick for he looks so pale.

6. Before that , i thought i would be sick for.

7. You don't know what it is to be sick for the postman's knock.

8. He said he sensed something was wrong because Michael would be sick for days after.

9. Doctor: If I gave you only pills, you'll probably be sick for at least three days, but if I give you an injection and pills, you'll feel better the day after tomorrow.