1) put
2) shut
3) hid
4) knew
5) had become
6) sent
7-8) coudn't find
9) stood
10) happened
11) lost
12) had been walking
13) saw
14) standing
15) heard
16) speaking
17-18) wanted to know
19) had come
20) was going
21) answered
22) had lost
23) said
24) would help
25-26) promised to come
27) married
28) agreed