Ex 14.1
1) happened
2) was painting
3) fell
4) arrived
5) got off
6) were waiting
7) was walking
8) met
9) was going
10) was carrying
11) stopped
Ex 14.2
2 was studying
3 did the post arrive-came-was having
4 didn't go
5 were you driving-stopped-wasn't driving
6 did your team win-didn't play
7 did you break-were playing-kicked-hit
8 did you see-was wearing
9 were you doing
10 lost-did you get-climbed