被动语态结构the things on display in the museum should (be not )touched括号里为什么用be not,不用not be呢

被动语态结构the things on display in the museum should (be not )touched括号里为什么用be not,不用not be呢 英语被动语态结构 被动语态的结构 They sill plant trees on the small hill next year变成被动语态是被动语态 被动语态的题目She bought that dress on the Internet.改成被动语态 将下列句子改为被动语态,Have you put all the things on the bed yet 2.People can buy fresh fru The cup on the desk was broken.这句话是有被动语态还是系表结构?若是系表结构那么为什么不把broken改成break? We must finish the work on time 变被动语态 改为被动语态We can finish the work on time. she is turning on the light改为被动语态 We planted many trees on the hill变成被动语态 We shouldn't study on the bed.的被动语态. 被动语态结构有什么? 被动语态有几个结构 一般疑问句被动语态结构 be based on是被动语态还是主系表结构例如His failure in the test is based on the fact.为什么 一般现在时被动语态结构和一般过去时被动语态? 初中英语 时态结构 被动语态结构