Ответ:
1
1) I was working at the office
Объяснение:
2) He was speaking English
3) They were studing English
4) We were spending time
5) You were drinking coffee
2
Tell- told - told
Eat - ate - eaten
Find - found - found
Take - took - taken
Has - had - had
Come - came - come
Understand- understood- understood
3
1) Did I work ?
2) Did he spend ?
3) Did they tell?