1. You should not have told Mike about it. 2 It is not necessary to ask about it. 3. I need your help. 4. You should not have learned the text by heart (by heart); his teacher asked. 5. In the evening the temperature dropped, and he decided that he did not need to go to the doctor. 6. Do not you see that he needs a haircut? 7. In vain he refused the invitation. 8. You just bought a car a year ago. Is it necessary to paint? 9. I need to adjust (fix) the computer. 10. John did not have to go to London, and he decided to spend a weekend in Brighton.