英语单词填空,速

题目

英语单词填空,速
after my son r____ he had made a mistake,he began to cry.
我知道单词是realize,是realized 还是-ing

答案

realized,后面began有提示一般过去时.
你有这样疑问,是因为看到after后面有时候直接加动词ing形式么~或者句子可以根据意思这样理my son began to cry after he realized he had made a mistake .after 后面是一个介宾短语.
当after后面直接跟动词时,动词ing形式.或者动词作动名词时候也是.