Ai đó giúp mình với !!

`8`. Tom and Mary began working in that factory in 1990.

`->` S + have/has + Vpp + since + mốc thời gian = S + began + Ving + in + mốc thời gian 

`9`. The last time I wrote to my sister was in 2018.

`->` The last time + S + V2/ed + was + ... = S + have/has + not + Vpp ...

`10`. I started living / to live in Paris when I left school.

`->` S + started + Ving / to V + when + S2 + V2/ed

`11`. She hasn't seen me for 7 months.

`->` The last time + S + V2/ed + was + ... = S + have/has + not + Vpp ...

`12`. I haven't talked to my aunt since July.

`->` S + last + V2/ed + in + mốc thời gian = S + have/has + not + Vpp + since + mốc thời gian

`13`. This is the first time Peter has '(ever) eaten Vietnamese food.

`->` S + have/has + never + Vpp + before = This is the first time + S + have/has (ever) + Vpp

`14`. It is three years since we last planted.

`->` It is + thời gian + since + S + last + V2/ed = S + have/has + not + Vpp + for + thời gian