用was were的过去进行时怎么变成疑问句

用was were的过去进行时怎么变成疑问句 过去进行时中何时用was?何时用were 过去进行时中的什么时候用was什么时候用were 反义疑问句 过去进行时过去进行时的反义疑问句有were/was 还是did 过去进行时,was 或were 加现在分词,什么时候用were 什么时候用was? 用过去进行时造十个句子!急 比如：I was,You were,He was ,It was,We were They were ,You were..造十个, 过去进行时 was和were的用法有什么不同 用过去进行时造5个句子有翻译句子结构：主+were/was+doing 过去进行时中的陈述句为什么I was 而不是用I were i was at home last night.这事一个过去时态的句子.这里为什么不用were 呢,我记得过去时am变成were 而is 变成was啊这里明显i后面填were啊请求帮助 Davis was annoyed that the keys were missing again.从句为什么要用过去进行时?丢钥匙怎么是一个持续性动作? 新概念 1册 Lesson 69 We are standing on the left他一直是以过去的语气说的,为什么突然用现在进行时?也不是过去进行时啊.are 没有变成were. be doing是进行时那 was或were doing是过去进行时吗? 过去进行时为什么有的用ing有的用过去式?为什么有的前半句就用was、were+ing,后半句就用过去式了? the plane was late and detectives were waiting at the airport all moring这句话为什么用过去进行时 英语过去进行时问题I (telephone) a frien when Bob (come) in.请问怎么写?为什么 我第二个写的是was came 为什么不对啊不是说was/were +Ving吗? 过去进行时：was/were+being+done +PP(PP代表什么）? They were singing while we were dancing.和He came while I was having shower.这两个句子都是时间状语从句.为什么第一个的主句用过去进行时第二个则用一般过去式.