Alice came to the meeting late because of the heavy traffic

- Because the traffic is heavy, Alice came to the meeting late

+) Because + S + V ,S + V

= Because of + Ving / N / N-ph, S + V

Shall we raise money for poor children

-Why don't we raise money for poor children

+)Why don't + S + V + O?

Because the traffic was heavy, Alice came to the meeting late.

`-` Because + S + V, S + V: Bởi vì

Why don't we raise money for poor children?

`-` Why don't we + V?: Tại sao chúng ta không?