2. I asked Bill What time he had gone to bed the night before.

-  Câu gián tiếp dạng Wh_question:

S + ased + O + Wh_ + S +  V(lùi thì)

- lùi thì: QKĐ -> QKHT

- last night -> the night before/ the previous night

3. If he took some exercise, he wouldn't be so unhealthy

- Câu điều kiện loại 2:
If +  S +  V2/ed + O, S + would/could + V_inf + O

6. Although Hung is an intelligent student, he can learn very fast

- In spite of + N/V_ing, a clause = Although + S + V + O, a clause.

`2` I asked Bill what time he had gone to bed the previous night .

`-` Gián tiếp ''Wh-question'' .

`@` S + asked + O + Wh-question + S + V(lùi thì) + O .

`-` you `->` he .

`-` did...go `->` had gone .

`-` last night `->` the previous night/the night before .

`3` If he took some exercise , he wouldn't be so unhealthy .

`@` Câu điều kiện diễn tả hành động không có thật ở hiện tại .

`=>` Điều kiện loại `2` : If + S + V(quá khứ)/were + O , S + would/modal verbs + V-inf + O .

`4` I have not visited my grandparents for `5` years .

`-` for `5` years : DHNB thì hiện tại hoàn thành .

`->` Form : S + have/has + not + V3/Vpp + O .

`5` No other writers in England is more famous than Shakespeare .

`-` So sánh không bằng .

`@` No + N + O + be + so sánh hơn + than + S .

`6` Although Hung isn't an intelligent student , he can learn very fast .