can need be able to may的区别

can need be able to may的区别 can could be able to they need to be able to speak english so that they can talk to one another翻译 can和be able to的区别 be able to、can、could的区别 can和be able to 的区别 can与be able to的区别 用can和be.able to填空 be able to和can的区别 比较can 和be able to be able to与can 的区别 be able to 与 can的区别 be able to ,can,may的区别 can/be able to（中文意思） can 和be able to 能连用么就是说 can be able to ... Only in this way can we be able to...这里 can 和 be able to be able to的用法be able to和can的区别和用法 They might be able to afford a new car .be able to 能用can替代吗?