keep做系动词

题目

keep做系动词
1 He keep slience.
2 He keep on slience.
1句中的keep可以当系动词使用 那2句的keep on 算是句子的什么成分?

答案

keep on doing ,所以keep on 后面加动名词,slience做keep on 的宾语,keep on 是句子的动词!