[ ↓ ]

`1.` `->` Hoa did not go to Nha Trang with her parents last summer vacation. 

`***`

`(+)` S + Ved/ Vc2 + ....

`(-)` S + did not/ didn't + V-infi ....

`(?)` Did + S + V-infi  ?

`2.` `->` She wishes she could speak English well.

`***` 

`(+)` S + wish(es) + (that) + S + V-ed

`(-)` S + wish(es) + (that) + S + not + V-ed

`3.` `->` How about taking a shower instead of a bath to save energy ?

`***` How about/ What about + V-ing ..?

`4.` `->` Children should spend only a small part of their free time playing electronic games.

`***` S + should + V-infi ..

1. Hoa did not go to Nha Trang with her parents last summer vacation.

-Thì quá khứ đơn thể phủ định

-Form: S+Ved/$V_{2}$+O hoặc S+didn't+Vinf

2. She wishes she could speak English well.

-Form: S+wish(es)+(that)+O

3. How about taking a shower instead of a bath to save energy?

-Form: How about+V_ing: cấu trúc gợi ý về việc gì đó

4. Children should spend only a small part of their free time playing electronic games.

-Form: S+spend+time/money+V_ing: Cấu trúc dùng để chỉ ra khoảng thời gian/tiền mà đã sử dụng để làm việc gì đó