1) Rewrite the sentences: 1. Don't drop litter. - You must .............................................................................. 2. Libya is hotter than any other counry in the world. - ............................................................................................... 3. They don't allow children to travel alone. - Children ................................................................................. 4. No student in class is taller than Tom. - Tom ........................................................................................ 5. The Nile river is the longest river in the world. - No river ................................................................................. 6. My síter likes watching cartoons. - My sister enjoy ...................................................................... 7. He búy some books, - Some books ............................................................................... 8. Lan bought the bike. - The bike ...................................................................................

Đáp án + Giải thích các bước giải:

`1.` Don't drop litter.

`=>` You must not drop litter.

`+)` S + must + V bare

`2.` Libya is hotter than any other counry in the world.

`=>` Libya is the hottest country in the world.

`+)`  so sánh nhất: S + tobe + the + adj-est/most adj + N

`3.` They don't allow children to travel alone.

`=>` Children mustn't travel allone.

`=>` Children is allowed to travel alone.

`+)` S + must + V bare

`+)` Bị động HTĐ: S + tobe + P2 + (by O)

`4.` No student in class is taller than Tom.

`=>` Tom is the tallest student in class.

`+)`  so sánh nhất: S + tobe + the + adj-est/most adj + N

`5.` The Nile river is the longest river in the world.

`=>` No river in the world is longer than the Nile river.

`+)` No sth + tobe + adj-er/more adj + than + sth

`6.` My síter likes watching cartoons.

`=>` My sister enjoys watching cartoons.

`+)` enjoy + V-ing

`7.` He buys some books.

`=>` Some books are bought.

`+)` Bị động HTĐ: S + tobe + P2 + (by O)

`8.` Lan bought the bike.

`=>` The bike was bought by Lan.

`+)` Bị động QKĐ: S + was/were + P2 + (by O).

_____________________________

`@yt2704`

`1.` You mustn't drop little

`-` Don't  +  V-inf +O

`<=>` S  +  must/can/should+  (not) + V-inf +...

`2.` Libya is the hottest country in the world

`***` SSN:

`-` Tính từ ngắn: S  +  tobe  + the  +  adj_est  + ...

`-` Tính từ dài:  S  +  tobe  +  the  +  most  + adj  +...

`3.` Children mustn't travel alone

`-` must +  V-inf : phải làm gì

`-` allow sb to do st: cho phép ai đó làm gì

`4.` Tom is the tallest student in class

`***` SSN:

`-` Tính từ ngắn: S  +  tobe  + the  +  adj_est  + ...

`-` Tính từ dài:  S  +  tobe  +  the  +  most  + adj  +...

`5.` No river in the world is longer than the Nile River

`***` SSH:

`-` Tính từ ngắn:  S  +  tobe  +  adj_er  +  than  +  S

`-` Tính từ dài:  S1  +  tobe  +  more  +  adj  + than  +  S2

`6.` My sister enjoys watching cartoons

`-` like= enjoy+ V-ing  : yêu thích làm gì

`7.` Some books are bought by him

`-` Bị động HTĐ:  S  +  am/is/are + V(pp)  +  (by sb)

`8.` The bike was bought by Lan

`-` Bị động QKĐ:  S  +  was/were  +  V(pp) +  (by sb)