1. All my questions can be answered.

Câu bị động với model verbs: S+model verbs+be+VpII

2.Because the weather was bad, we cancelled our trip to Tam Dao.

Because of+N+clause 2= Because+clause 1,clause 2

3. She has not written to me for a month.

It is+ khoảng thời gian since +S+(last)+Vqk= S+has/have+not+VpII+...

4. Should I bring warm clothes?

necessary to V= should V

5. He suggested me that I should ask her by myself.

S+suggested+(that)+S2+should+V

`1` All my questions can be answered by  him . ( Câu bị với can : S + can be + Vpp + by + O ) 

`2` Because the weather was bad , we cancelled our trip to Tam Dao. ( because of + N / N phrase / Ving + O= Because + S + V + O : bởi vì )

`3`  She has not written to me for a month ( S + hasn't / haven't + Vpp + for + time / since + time ) 

`4` Should I bring warm clothes with me ? ( Should + S + V + o? : Ai nên làm gì ) 

`5` He suggeted me should aske her yourself ? ( S + suggeted + S + shoud + V+ O: ai đề nghị làm gì ) 

@ Dorris