英语句型 be able to

题目

英语句型 be able to
A successful businessman should able to readily accommodate to the changing economic conditions.
这句话是我在沪江的例句看到的.
为什么它的able 不加be
是错了 还是有些情况是不用加be

答案

错了,be able to do 能够做某事,固定搭配,这句中主语是a successful businessman 谓语should be able to 一定要用动词/动词词组