Ex 14:
`1`. We had snack then we had a look around the shops.(after)
→ We had a look around the shops after we had had snack.
`2`. My family lived in Hanoi in 2010. My family moved to Ho Chi Minh city in 2019. (before)
→ My family had lived in Hanoi in 2010 before we moved to Ho Chi Minh city in 2019.
`3`. My mother took her umbrella. She went out. (when)
→ When my mother had taken her umbrella, she went out.
`4`. I washed the dishes. I watched TV. (before)
→ I had washed the dishes before I watched TV.
`5`. My mother made a cake. The guests came. (by the time)
→ By the time the guests came, my mother had made a cake.
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Các cấu trúc dùng trong bài:
+ Past simle + after + past perfect
+ Past perfect + before + past simple
+ When + past perfect + past simple (hành động vế when xảy ra trước)
+ By the time + past simple + past perfect