Exercise 1.
1.was going
2.was tasking
3.was crossing
4.were working
5.were watching
6.were discussing
7.was staying
8.was teaching
9.was learning
10.was walking
Exercise 2
My mother was reading a novel.
My father was watching a movie.
My elder sister was writing in her diary.
My two brothers were listening to the radio.
My little sister and I were not watching a movie.
We were talking about school.
Exercise 3
1.He fixed his car yesterday.
2.She was playing with her little brother at 5 pm yesterday.
3.They didn't go to school yesterday.
4.We were not eating at 4 pm yesterday.
5.Did Max and John clean the room yesterday?
6.Was Caroline having a shower at 9 o'clock yesterday?
