Viết lại câu đồng nghĩa 

`color{pink}{Harry}`

`5`.  After Ba wrote to Maryam, he had written to me. 

`=>` Before Ba wrote to Maryam, he had written to me.

`6` After he had finished all the work, he returned home.

`7`. After my father repaired my bike, he came.

`8`.Before Nam stole Mo's bike, he had stolen my bike.

`9`.Before he left the house, he had knocked the door very carefully.

`10`. After he killed his wife, he killed himself.

`=>` Before he killed himself, he had killed his wife.

____________________________-`CT`-___________________

`-` After + S + Vhad(pp), S + V(qk) + ...

`=>` Before + S + V(qk), S + had V(pp) + ...

`-` After: Sau đó

`-` Trước đó

`-` Sau khi ai đó làm gì, họ sẽ ...

`-` Trước khi họ sẽ làm gì, họ đã làm gì ....

`5`

`@` After Ba had written to me , he wrote to Maryam .

`@` Before he wrote to Maryam , Ba had written to me .

`6`

`@` After he had finished all the work , he returned home .

`7` 

`@` After my father had repaired my bike , my father came .

`8` Before Nam stole Mo's one , he had stolen my bike .

`9` Before he left the house , he had knocked the door carefully .

`10` 

`@` After he had killed his wife , he killed himself .

`@` Before he killed himself , he had killed his wife .

`------------`

`@` Chuyển đổi ''before'' và ''after'' trong thì quá khứ hoàn thành .

`<=>` Before + S + V(quá khứ) + O , S + had + V3/Vpp + O .

`<=>` After + S + had + V3/Vpp + O , S + V(quá khứ) + O .