Viết lại câu theo nghĩa không đổi 1. It is not a good idea to go out on the hot day in the summer. --> You 2. Children should take part in outdoor activities. --> Children should participate 3. Why don't we play sports this weekend ? --> What about

`1,` You shouldn't go out on the hot day in the summer.

- It's (not) a good idea (for sb) to do sth : Đó là một ý tưởng (không) tốt (cho ai) để làm gì

-> should/shouldn't + V-inf : nên/không nên làm gì

`2,` Children should participate in outdoor activities.

- should + V-inf : nên làm việc gì

- participate in = take part in : tham gia

`3,` What about playing sports this weekend?

- How/What about + N/V-ing?

= Why don't we/you + V-inf? 

-> Đưa ra lời mời , đề nghị làm gì.