一般过去时的被动语态喝一般现在时的被动语态有什么区别? Eg;The film ie based on a science fiction. 为什么不用was 呢?
问题描述：
一般过去时的被动语态喝一般现在时的被动语态有什么区别? Eg;The film ie based on a science fiction. 为什么不用was 呢?
答
一般过去时被动语态：was/were+vt p.p例：he chose the job lestyear.The job was chosen him lestyer.一般现在时被动语态：be(is am are)+vt p.p例：He often shes his homework on sunday.His homework is often f...