able(CAN DO)
Thesaurus: synonyms, antonyms, and examples to be able to do something
able toI wasn't able to work out what she was trying to say.
canCan you make out what she is trying to say?
be capable of (doing)You are capable of a lot more than you think you are.
know how to"Do you know how to swim?" "Of course I know how to swim."
I've never been able to do crosswords.我从来不会玩填字游戏。
Dr Jones is very busy but I'm sure she'll be able to see you tomorrow.
Will you be able to carry all the shopping back home on your bike?
He was able to lead a normal life, despite the illness.尽管有病但他还可以过正常的生活。
Irene won't be able to play in the match on Saturday.