`-` This room is not big anough for three people to live.

`-` This is such a small room that three people can't live in it.

`-` This room is so small that three people can't live in it.

`->` CT : S + tobe + adj + enough + (for sb) + to V-inf

`->` CT : S + tobe + such + a/an + N + that + S + V

`->` CT : S + tobe + so + adj + that + S + V

`->` CT : S + tobe + too + adj + (for sb) + to V-inf

+) This room is not big enough for three people to live.

+) This is such a small room that three people can't live in it.

+) This room is so small that three people can't live in it.

`@` Cấu trúc:

- S + be/V + too + adj/adv + (for sb) + to V : quá (cho ai) để làm gì

- S + be/V + adj/adv + enough + (for sb) + to V : đủ (cho ai) để làm gì

- S + be + such + (a/an) + adj + N + that + mệnh đề : quá đến nỗi mà

- S + be/V + so + adj/adv + that + mệnh đề : quá đến nỗi mà