Đáp án: + Giải thích các bước giải:

`4)` Shall we go window `-` shopping this afternoon

`-` How about + V-ing

`=`  Shall + S + V(nt): câu hỏi đề nghị, lời mời

`5)` What's yourfavourite leisure activity `?`

`-` What leisure activity + do/does + S + like best `?`

`=` What's + TTSH + favorite leisure activity 

`6)` My teacher likes listening to folk songs in her free time as this helps her to reduce stress

`-` Enjoy + V-ing `=` like + V-ing: thích làm việc gì đó

`-` HTĐ: `( + )` S + Vs/es + O

`-` my teacher `to` Vs

`7)` Jane fancies skateboarding although this has hurt her leg and arm some times.

`-` like + V-ing `=` fancy V-ing: thích làm việc gì đó

`-` HTĐ: `( + )` S + Vs/es + O

`-` Jane `to` Ves

`8)` My aunt adores surfing the Internet. She can even do it all day without being tired at all.

`-` love + V-ing `=` adore + V-ing: hứng thú với việc gì đó

`-` HTĐ: `( + )` S + Vs/es + O

`color{pink}{#NA}` 

`4.` Shall we go window shopping this afternoon?

`->` Câu gợi ý:

`-` How about/What about + V-ing + O?

`=` Shall + S + V-bare + O?

`5.` What's is your favourite leisure activity?

`->` What + be + one's favourite + N?

`6.` My teacher likes listening to folk songs in her free time as this helps her to reduce stress

`->` enjoy + V-ing: thích làm gì ~ like + V-ing: thích làm gì

`->` in one's free time: vào thời gian rảnh

`->` to + V: để làm gì

`7.` Jane fancies skateboarding although this has hurt her leg and arm sometimes

`->` like + V-ing: thích làm gì ~ fancy + V-ing: thích làm gì

`->` S + V + although + S + V: Mặc dù

`8.` My aunt adores surfing the internet. She can even do it all day without being tired at all

`->` love + V-ing: yêu thích làm gì ~ adore + V-ing: thích làm gì

`->` can + V-bare: có thể làm gì

`->` surf the Internet: Lướt Internet

`->` without + V-ing