Ex. 243
1) were / was writing / was reading
2) didn’t tell / had received
3) asked / knew /lived
4) said / didn’t know
5) asked / could
6) said/ had given
7) asked / had put
8) was sitting / thinking / opened/ hadn’t seen/ entered
9) came / were having / was / saw
10) saw / was leaving
11) hadn’t seen / met
12) had left /had
13) felt / wanted
14) thought/ had already gone
15) found/was talking / were standing
16) was speaking / had never heard
before
17) told / had learnt
18) entered / took/ went