`=>`

1. Auld Lang Syne is a song. It is sung on New Year 's Eve.

Auld Lang Syne is a song which is sung on New Year 's Eve.

Đại từ quan hệ "which" chỉ vật

2.My father drives more carefully than my brother.

My brother doesn't drive as carefully as my father.

3. Because of the heavy rain for many days, the whole city had to live in water

Because it rained heavily for many days, the whole city had to live in water

Because of + N/Ving = Because + mệnh đề: Bởi vì...

4. " Why don't you put better lock on the door, Barbara"? said John.

John suggested Barbara should put better lock on the door.

S1 + suggest (that) + S2 + (should) + V + O: gợi ý ai đó nên làm gì

`~rai~`

\(\text{1.Auld Lang Syne is a song which is sung on New Year's Eve.}\\\text{Giải thích:Auld Lang Syne->vật->đại từ quan hệ "which.}\\\text{2.My brothe doesn't drive as carefully as my father.}\\\text{Giải thích:So sánh hơn->So sánh bằng.}\\\text{3.Because it rained heavily in many days,the whole city had to live in water.}\\\text{Giải thích:Because of+N/V-ing=Because+clause.}\\\text{4.John suggested that Barbara should put better lock on the door.}\\\text{Giải thích:S1+suggest(+that)+S2(+should)+V-inf.}\)