14. his parents don’t allow him (to stay up/staying up) after ten o’clock. 15. i don’t mind (to drive/driving) to the restaurant. 16. please remember (to post/posting) my letter. it’s very important. 17. we were late. tom suggested (to take/taking) a taxi. 18. i asked him to stop (to talk/talking), but he kept (to ask/asking) me questions. 19. sometimes she puts off (to do/doing) her homework. 20. they always forget (to water/watering) the plants