Bài `1:`

`1`. I haven't cooked meal with my mom before.

`->` This is the first time + S + have/has + Vpp 

`=` S + have/has + not + Vpp + before.

`2`. They haven't seen this movie for 8 months.

`->` The last time + S + V2/ed + was + thời gian + ago 

`=` S + have/has + not + Vpp + for + thời gian

`3`. We have donated to poor people for 2 years.

`->` S + began + Ving + thời gian + ago 

`=` S + have/has + Vpp + for + thời gian

`4`. He has collected stamps for 4 years.

`->` S + started + to V + thời gian + ago 

`=` S + have/has + Vpp + for + thời gian

`5`. The last time I met my teacher was 4 months ago.

`->` The last time + S + V2/ed + was + thời gian + ago 

`=` S + have/has + not + Vpp + for + thời gian

`6`. She started playing/ to play 2 year ago.

`->` S + started + to V / Ving + thời gian + ago 

`=` S + have/has + Vpp + for + thời gian

Gửi bạn!