Exercise 3: Complete the sentences with V-ing or to V-inf. 1. My father gave up (smoke) three years ago. 2. I have put off (write) the letter so many times. 1 really must do it today. 3. Sarah gave up (try) to find a job in this country and decided (go) abroad. 4. You can’t stop me (do) what I want. 5. How long have you been able (swim) John? 6. Please, don’t forget (post) the letter for me today! It is urgent. 7. The only thing that prevented her from (study) law was a lack of time and money. 8. She often remembered (talk) to her father before he became ill. 9. You must remember (buy) some sugar. We haven’t got any now. 10. Don’t forget (wake) me up before six o’clock tomorrow.