been和was were有什么区别

been和was were有什么区别 was/were been doing 和was/were being done 区别是什么?分别表示什么?如题... has been working 和was working有什么区别 was 和 were有什么区别?不是都是BE的过去式吗..有什么区别 英语were和was有什么区别?比如人称、虚拟语气等等,什么时候用were,什么时候用was呢? was/were going to do sth.这是什么时态?那和 was.were doing sth.有什么区别 As the curtain ____ ,the famous singer came out.The fans ____ and screamed with excitement .A. was raised,roseB. had been raised,were raisedC. rose,were raisedD. had risen,raised选哪个?为什么?rise和raise有什么区别? five people were said to had been killed和five people were said to have been killed请问有什么区别 一般过去式用来表示am is are的was和were有什么区别? 用did提问和用was/were提问有什么区别? WAS和WERE有什么区别?还有答题时两个都能用吗?要些例子 were和was的区别 were和was的区别 has been given和was given这两个有什么区别两个都是被动语态?求知! 过去将来时的构成形式有什么区别主要是 was/were going to was/were to was/were about to do 有什么区别 have just been done和 was just done有什么区别啊在用法上的区别 应该如何判断 过去式和过去分词有什么不一样 如be的过去时were/was和过去分词been有什么不同处 were 和have … been to 区别were you at the butcher's?和 have you been to the cinema?时态好像差不多,可以互带吗?有什么区别?THANKK