Roy, you (should take /should have taken) the dog out before you leave, because your mother is ill. 2. words on the medicine bottle: (to be taken/must be taken) 3 times a day. 3. (do we need/need we) to reserve out seats on the bus beforehand? 4. john (needn't/doesn't need to) explain anything. everybody knows what they have to do. 5. you could (inform/have informed) me beforehand. i've missed such an interesting lecture. 6. bob, you're coughing and your nose is running. you should (stay/have stayed) at home and consult a doctor. 7. becky, you needn't (cook/have cooked) so many sandwiches. only three guests came to your party yesterday. 8. you needn't (take/have taken) cash if you have your bank card when you go to the shops. 9. harry, you (are to/need) do the washing-up before playing on the computer. 10. you (needn't/don't need) a typewriter if you have a computer. 11. — must i report to the head manager every day? — no, you (mustn't/needn't). we do it on tuesdays and fridays. 12. you (could be/could have been) more polite with ann. look, i think, she is crying. 13. the browns (needn't take/needn't have taken) a taxi to the airport, they have plenty of time before the flight. 14. declarations (to be/must be) filled in block letters. 15. — must we complete the work before the bell? — no, you (mustn't/needn't). you may finish it at home.
