初中·課本中不會教你的 558　too...to do sth., not too... to do sth.和not...enough to do sth.

558　too...to do sth., not too... to do sth.和not...enough to do sth.

1　too+形容詞或副詞+to do sth. 表示“太……不能”，表示否定含義。

He is too old to work. 他年紀太大，不能工作了。

The book is too difficult to read. 這本書太難，讀不懂。

He got up too late to catch the train. 他起得太晚了，沒趕上火車。

The girl is too young to look after herself. 這小女孩太小，不能照顧自己。

提示

“too...to”句型本身已具有否定含義，不定式前不可再加not。

The coffee is too hot to drink. （正）咖啡太燙了，不能喝。

The coffee is too hot not to drink. （誤）

2　not/never too...to do sth. 為雙重否定，表示肯定意義，意為“不太……而能”。

She is not too tired to walk on. 她不是很累，還能繼續(xù)走。

He is not too old to work. 他年紀不太大，還能工作。

One is never too old to learn. 人們年紀再大也能學習。/活到老，學到老。

比較

The box is too heavy to carry. 這箱子太重，搬不動。

The box is not too heavy to carry. 這箱子不太重，搬得動。

3　not...enough to do sth. 意為“還不夠”。

The child is not old enough to go to school. 這孩子還沒有到上學的年齡。

The book is not easy enough for her to read. 這本書對她來說不容易讀懂。