rewrite the following sentences 1.You are not allowed to chat in the examination You musn't .... 2.The students do fewer assignments than they did last year The students don't do 3.George is not as considerate as he used to be George used to... 4.There were a lot of questions on the test.I couldn't finish them in half an hour There were too... 5.She was very short.She couldn't reach the top of the high shelves She was not tall enough...

`1` You mustn't chat in the examination.

`-` S + mustn't + V-inf: không được làm gì

`2` The students don't do as many assignments as they did last year.

`-` So sánh bằng phủ định:

`->` S1 + not + V + as + adv + as + S2

`-` many + N-số nhiều

`3` George used to be more considerate.

`-` S + used to + V-inf: đã từng làm gì

`-` So sánh hơn: S1 + be + adj-er/more adj + than + S2

`4` There were too many questions on the test that I couldn't finish in half an hour.

`-` S + be + too many + N-số nhiều + that + S + V

`5` She was not tall enough to reach the top of the high shelves.

`-` S + be + (not) + adj + enough + to V: (không) đủ ... để ...