What is happened?happened是形容词、名词还是动词?学语法乱了乱了

this is what happened what happened/what was happened/what is happened/what happen/what is happeniwhat happened/what was happened/what is happened/what happen/what is happening这些用法都有吗 what is wrong had happened? to see what you have seen before it has happened 尤其是 before it has hap尤其是 before it has happpened 为什么用完成时呀?thanks 看美剧what up与what's up区别,what is happened与what happened区别 英语翻译Do you know_____over there?A.what is happened B.what happened C.what did happen D.what was happened She is _____(wonder) what happened to him.She is _____(wonder) what happened to him. what happened和what is going on 的区别急! today is monday,what`s up?what happened? what happened 和what is happened表达的意思一样吗 what's happened 中的“s”是has吗?还是is?还是was?还是什么?what's happened和what happened有区别吗?如果别人问what's happened应该怎么回答?问what happened又该怎么回答? 选择 What ___ him just now?He is unhappy.A.happened B.happened to C.happening D.happened with didn't know what ___ to her last night.A.was happened B.happen C.happened D.is happened What _______last night?A.happened B.is happening C.was happened D.was happening What is happened?happened是形容词、名词还是动词?学语法乱了乱了 and what happened on this day that it is named? what happened to your family?is everyone ok? he is the best part of what happened today