Giúp mình với ạ, mình cần gấp

`1.` After he said goodbye to each other, he left.

`-` After/Before + Ving, clause `=` Before/After + clause, clause

`2.` While I was cleaning out my cupboards, I found these photos.

`-` `2` sự việc xảy ra trong qk, sự việc nào xảy ra trước và kéo dài chia qktd, sự việc xảy ra sau và xen vào chia qkd

`-` While + S + was/were + Ving, S + Ved/ V cột `2`

`3.` As soon as I left him a message, he phoned me.

`-` immediately: ngay lập tức `->` As soon as + clause, clause: Ngay sau khi...

`4.` After her graduation, she did voluntary work in a hospital.

`-` graduation (n): lễ tốt nghiệp

`-` After/Before + Ving, clause `=` Before/After + clause, clause

`5.` I won't go until you tell you me the truth.

`-` Câu đk loại `1`: If + S + V (HTD), S + will/can/...+ (not) + Vo

`-` Clause + until + clause:...cho đến khi...