happen,happens与happened三者区别?

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/19 12:49:32

1、happen:“发生”,动词原形.
2、happens:“发生”；一般会说“It always happens in the night”.
3、happened:“发生过了,发生了”,是过去式；例如“Many accidents happened last year.”

happen,happens与happened三者区别? something interesting happening/happen/happened/happens what happen与what happens的区别是什么? 关于no matter what happens与happen where happens something?Where does something happen?有什么区别 what happen和what happened有什么区别 what happened 和what did happen的区别 happened to do和‘happen to do ;区别? happened to和to happen to的区别求happen、occur、take place 三者区别,要具体. 请问：happen的用法.eg:what happened,what's happen的区别 was happened,was happening,happen,happened,happening的用法及区别