$$8. $$ Have you finished doing exercise yet?

$$→$$ Thì HTHT dạng nghi vấn: Have/Has + S + Vpp?

$$→$$ DHNB: yet

$$→$$ finish + Ving: hoàn thành làm gì

$$9. $$ I don't fancy going out at night

$$→$$ fancy + Ving: thích làm gì

$$→$$ Thì HTĐ dạng phủ định: S + don't/doesn't + V-bare

$$→$$ I + do(not)

$$10. $$ My sister doesn't enjoy going shopping for clothes

$$→$$ S + enjoy(s) + Ving: thích làm gì

$$→$$ Thì HTĐ dạng phủ định: S + don't/doesn't + V-bare

$$→$$ My sister là số ít nên + does(not)

8. Have you finished doing the exercise yet?

→  Have + subject + finished + verb-ing + yet?

9. I don't fancy going out at night.

→ Subject + don't/doesn't + fancy + verb-ing.

10. My sister doesn't enjoy going shopping for clothes.

→ Subject + doesn't + enjoy + verb-ing.