`-` Enough :

`=>` S + is / am / are / ... ( not ) + adj ( for O ) + to do sth

`=>` Dùng để nói về tính chất đủ để làm gì

`1`.Thier old house wasn't big enough for them to live in

`2`.Mary isn't old enough to go to school

`3`.Your name isn't short enough for me to remember

`\text{# TF}`

Chuyển thành câu enough...too:

`1.` Their old house was too small for them to live in.

`=>` Their old house wasn't big enough for them to live in.

`2.` Mary is too young to go to school.

`=>` Mary isn't old enough to go to school.

`3.` your name isn't short enough for me to remenber.

`*` Cấu trúc: 

S + to be + too + adj + (for sb) + to V
Hoặc S + V + too + adv + (for sb) + to V.
`= `

S + to be + adj + enough + (for sb) + to V
Hoặc S + V + adv + enough + (for sb) + to V.