`1`. If I didn't live by the sea, I wouldn't be really worried about the global warming.

`⇒` Cấu trúc: If + S + didn't + Vo, S + would/wouldn't + Vo

`2`. He came up with a great idea for our environmental project.

`⇒` Cụm come up with: nảy ra, nghĩ ra

`3`. Because the sea was rough, the ferry couldn't sail.

`⇒` Cấu trúc: Because + S + V, S1 + V1

`4`. After David had gone home, we arrived

`⇒` Cấu trúc: After + QKHT, QKĐ

`5`. If my brother had money, he would buy a sport car.

`⇒` Cấu trúc: If + S + V(QKĐ), S + would + Vo

`6`. Alexander G.Bell was a telephone inventor

`⇒` Cấu trúc: S + V + sth + ... = S + to be + a/an + sth + N.

`7`. These flowers should be watered every day to make them fresh.

`⇒` Cấu trúc: S + should + be + Vpp + ( by O )

`⇒` Lưu ý: by you không phải viết