`1`. I didn't prepare for the test as carefully as him.

`-` So sánh bằng với trạng: S1 + not + V + as + adv + as + S2

`2`. Thanh asked Hanh what she was going to do that summer holiday.

`-` Tường thuật: S + asked + O + wh + S + V(lùi thì)

`-` am/is/are going to V `->` was/were going to V

`-` this `->` that

#Suy.           

`1.` I didn't prepare for the test as carefully as he did.

`->` So sánh ngang bằng : S + V + as + adv + as + S + do / does / did.

`->` So sánh hơn trạng từ dài : S + V + more + adv + than + S + do / does / did.

`2.` Thanh asked Hanh what she was going to do that summer holiday.

`-` Câu gián tiếp : S1 + asked O + wh + S2 + V ( lùi thì ) + ...

`-` am / is / are + going + to V `->` was / were + going + to V