Bài 6:
1, went
2, was swimming
3, was drinking
4, saw
5, was
6, was
7, was beating
8, asked
9, told
10, stayed
11, had
Bai 7:
1, called; wasn’t; was studying
2, didn’t hear; was sleeping
3, was shining; were singing
4, were talking; walked
5, weren’t; were playing
6, fell; was reading
7, was snowing; was shining
8, was shoveling; brought
9, had; was driving; hit
10, decided; were starving
11, was waiting; arrived
12, was swimming; saw
13, Were they playing; started
14, were driving; stopped
15, was blowing; went
