$1.$ Tuan finds playing table tennis interesting because he play it with bestfriend.

--------> Tuan là ngôi thứ 3 số ít nên thêm s nha.

$2$. My brother doesn't like ice-skating because he thinks it is dangerous

------->

S + doesn't / don't + V nguyên mẫu

$3. $Why don't you take up jogging?

- It helps you keep fit.

--------> Câu hỏi why? Vì sao?

Wh-word + (be/don't) + S + V?

why don't +you / we + V nguyên mẫu

$4$. My sister is interested in reading comic books because she thinks it is exciting

_____Cấu trúc___

S + interested in Ving + .......

Hoặc ( S +V_ing + interested in +....)

1 tuan finds playing table tennis interesting because he plays it with his best friend

→ S + find / finds + V-ing + adj 

2 my brother doesn’t like ice-skating because he thinks it is dangerous

→ thì HTĐ phủ định : S + doesn't / don't + V nguyên mẫu

3 why don't you take up jogging - it's helps you keep fit 

→ why don't +you / we + V nguyên mẫu

4 my sister is interested in reading comic books because she thinks it is exciting

→ be intesrted in + V-ing