1-going

2-swim

3-go

4-doing

5-playing

6-watching

7-finish/watching

8-be

9-tell

10-gathering

11-drink

12-finish

13-begining/finishing

14-riding/walk

15-sleeping

16-going

17-playing/watch

18-work

1.going(enjoy+Ving)

2.swim (sau can/must/should +V nguyên mẫu)

3.go

4.to do/doing (prefer +to V hoặc Ving)

5.to play/playing(like +...............^.............)

6.to watch/watching

7.to finish (cụm tu ought to có nghĩa là nên /+ V nguyên mẫu)

  watching( before/after +Ving)

8.be

9.to tell (would like +to Vnguyên mẫu)

10.to gather/gathering

11.drink

12.finish

13.to begin/begining

     finishing(hate+Ving)

14.riding/walking (prefer +Ving+to Ving)

15.sleeping

16.going(how about/what about +Ving)

17.playing/watching 

18.work