Enough...to,too…to
I . Enough … to : đủ… để có thể làm gì đó…
Trường hợp 1 : Cùng chủ ngữ
Eg1 . The boy is very strong . He can lift up the fan .
The boy is strong enough to lift up the fan .
Eg2 . The girl is old . She can understand the story .
She is old enough to understand the story.
* Form : S + be + adj + enough to …..
Trường hợp 2 : Khác chủ ngữ
Eg1 . The weather was nice . We can go camping today .
The weather was nice enough for us to go camping today .
Eg2 . The ice is quite thick. We can walk on it.
The ice is thick enough for us to walk on .
* Form : S + be + adj + enough for + O + to …..
II . Too … to : quá đến nổi không làm được gì....
Trường hợp khác chủ ngữ
Eg1. The food is very hot . We can’t eat it .
The food is too hot for us to eat .
Eg2 . He drove very quicky . Anyone can’t catch him .
He drove too quickly for anyone to catch him .
* Form : S + be/ hoặc động từ thường + too + adj + for + O + to ..