Mn giúp mình với ạ cảm ơn nhiều

=>

1. Had you not been driving too fast, the accident would not have happened.

-> đảo ngữ câu đk loại 3: Had S (not) V3/ed, S would (not) have V3/ed

2. The policeman warned me not to cause problem.

-> warned sb (not) to V: cảnh báo ai (không)

3. Pat is the most successful student in his school.

-> so sánh nhất the most adj

4. Great process has been made by the local economy for the last five years.

-> bị động HTHT have/has been V3/ed

5. This is such an interesting book that I can't put it down.

-> such a/an adj N that ~ so adj that