1. The last time Minh saw his grandparents was in September.

→ S + have/has + not + V3/ed + since + mốc thời gian

= The last time + S + V3/ed + was + mốc thời gian.

2. Mary asked Anna who she had had lunch with the period day.

→ S + asked + O + wh/h + S + V(lùi thì): câu tường thuật dạng câu hỏi wh/h ( lùi thì QKĐ → QKHT, chuyển 'yesterday' → 'the period day' )

3. I suggest putting more dustbins around the school.

→ S + suggest + V_ing: đề nghị, gợi ý làm gì

4. Unless he comes in ten minutes, we will go without him.

→ Unless = If not

5. I always used to walk to school wen I lived in the countryside.

→ used to + V0: đã từng làm gì ( trong quá khứ )

1. The last time Minh saw his grandparents since September.

2. Mary asked Anna who she was having lunch with the day before.

3. I suggested putting more dustbins around the school.

4. Unless he comes in ten minutes, we will go without him.

5. I used to lived in the countryside and always walked to school.

             CHÚC BẠN HỌC TỐT!!!!