`1`.The U23 Myanmar team played less skillfully than the U23 Viet Nam team

`\rightarrow` So sánh hơn ( Trạng từ ) : S1 + V + adv-er / more adv + than + S2

`2`.You must not leave the room without permission

`\rightarrow` S + must / mustn't + V : Tự nguyện làm điều gì đó

`3`.Do you fancy hanging out with friends at weekends

`\rightarrow` Fancy + V-ing

`4`.The Elephant Race Festival is held by the Mnong in spring in Don village

`\rightarrow` Câu bị động - Thì HTĐ : S + be + V3 / PII ( by O )

`\text{@ Fox}`