had have were are 的区别

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/30 17:41:16

had have were are 的区别
这些书在第一天就销售空了.
The books were sold out on the first day.
为什么were不能用had
were已经是过去式为什么后面还要有sell过去式?
英语不好别笑我0.0

这个是被动语态的一般过去式.（这些书在第一天就被销售一空了）
被动语态时sell是过去分词,又是被被动语态的一般过去式,so,用were.
下面是被动语态的时态构成表.

被动语态各时态构成表
　　
一般现在时①is\am\are②V.\V.sam\is\are+(v.p.p)一般将来时will\be going to\be (about)to+V.will be +(v.p.p) 一般过去时①was\were②V.edwas\were+(v.p.p)现在进行时am\is\are+V.ingam\is\are+being+(v.p.p)过去进行时was\were+V.ingwas\were+being+(v.p.p)现在完成时have\has+V.p.phave\has+been+(v.p.p)过去完成时had+V.p.phad+been+(v.p.p)情态动词情态动词+V.情态动词+be+(v.p.p)

had和was,were的区别是设么? Had has were was的区别英文语法我想请问 are is be was were have had in on at of for to 这些词的 have done和had done的区别 had/have/has gone/been 的区别 have done 与其 had done 的区别 have/had + been/be的区别是什么? have had did do 的区别求have,has,had的区别? have come和had come的区别 were是什么的过去式?has和had有什么区别用“have,has,had,there is,there are,there was,there were”填空.