`1`. I didn't go swimming yesterday. (S + didn't + V(nguyên thể) + ....)

`2`. How old was uncle Ho when he died?(How old+was/were+S+when+S+Ved/V2 ?)

`3`. They are learning in the classroom.(S+am/is/are+V-ing+...)

`4`. How wide is your room?(dịch: Căn phòng của bạn rộng bao nhiêu?)

`5`. This book is thicker than that one.(S+is/am/are+ tính ngắn-er/more+ tính từ dài+than+...)

1 I didn't go swimming yesterday.

S+did not+V0

2 How old was Uncle Ho when he died?

How old + was/were+S

3 They are learning in the classroom.

S+be+ Ving

4 How wide is your room?

Wide:chiều rộng

5 This book is thicker than that book.

so sánh hơn :S + V + (Adj/Adv) + “-er” + than