`1`. My father likes doing the gardening at the weekend.

`->` like + N/Ving = be interested in + N/Ving: thích làm gì

`2`. We all think (that) painting is interesting because it is a creative activity.

`->` S + think + (that) + S2 + be + adj : nghĩ

`3`. It has rained for an hour.

`->` It + started + Ving + thời gian + ago = S + have/has + Vpp + for + thời gian + ago

`4`. I haven't seen her for 3 years.

`->` The last time + S + V2/ed + was + thời gian + ago = S + have/has + not + Vpp + for + thời gian

`1.` My father likes doing the gardening at the weekend

`-` Cấu trúc: be interested in + V_ing = likes + V_ing = thích làm gì 

`2.` We all think painting is interesting because it is a creative activity

`-`Cấu trúc: think + V_ing 

`3.` It has rained for an hour

`-` Cấu trúc HTHT: S + have/has + Vp.p + ...

`4.` I haven't seen her for 3 years

`-` Cấu trúc: S + have/has + not + Vp.p + ... + for + khoảng thời gian