be able to (送分拉)

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/17 06:39:07

be able to (送分拉)

e able to 能够
a.位于助动词后.
b.情态动词后.
c.表示过去某时刻动作时.
d.用于句首表示条件.
e.表示成功地做了某事时,只能用was/were able to,不能用could.
He was able to flee Europe before the war broke out.
= He managed to flee Europe before the war broke out.

be able to造句 be able to 用法 be able to中文 be able to able to be assigned would be able to和be able to的区别 be able to 和will be able to 的区别 be able to和could be able to do sth be able to 的用法 be able to的同义词 be able to 是什么时态