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