50 going - to study
51 to work
52 cutting
53 to check
54 talking
55 taking
56 cry
57 listening
58 cooking - washing
59 learning - to go
60 trying - to catch
61 cry
62 drive
63 passing
64 teaching
65 reading
66 being
67 to go
68 to do
69 changing
1 going for a swim
2 going to the museum this weekend
3 going for a picnic this weekend
4 visiting Smiths
5 visiting the National Gallery
6 opening the windows
7 going for a picnic this weekend
8 going out for a drink
9 interrupting me all the time
10 takes a long time
11 helping me to put the chairs away
12 Nam coming from the back door
13 them driving away
14 he leaving the library early this afternoon
15 her stay in Dalat for the weekend.
