become 是动词,后面一般不能跟动词原形,只能跟名词化的(动名词,也就是动词+ing),或者动词+ed或者动词分词作形容词。例子：I become excited 我开始变得兴奋.

扩展资料

例句：

He became very weak towards the end of his life.

他临终时很虚弱。

It soon became apparent that no one was going to come.

很快就很清楚，没人会来。

Patients can become conditioned to particular forms of treatment.

病人会习惯某些治疗方式。