关于动词语态的题these papers (have not written )yetwritten 后面为什么不用加on

关于动词语态的题these papers (have not written )yetwritten 后面为什么不用加on 关于感官动词被动语态的用法 动词的被动语态 动词的时态和语态 动词不定式的时态 语态 几道英语题不懂（关于被动语态）1.These children____A___ dance.A.were seen to B.were seen for C.were seen D.saw to(see是系动词,无被动的吧?还有为什么加to)2.Good care ___B___ such things.A.should be taken B.should be taken o 动词时态与语态的一道题,求详解. 麻烦帮我看看这些题,这些题对我来说太容易了.These puestions are easy enough for me.我写的：These puestions were easy enough for me.这些试卷对他来说太难了.These papers are too difficult for him.我写的：These papers 关于被动语态的问题0 0 动词短语在被动语态里面是不是不可以分割呢?1.The teacher must _______ carefully in classAlisten B be listened Cbe listened to Dbe listening2.These chairs should be ______.A take care of Btaken care C t 关于感官动词 为什么说它没有被动语态,又说它的被动语态要在感官动词后加to呢? 请问有没有关于情态动词的被动语态详解及习题 I have read both these papers和I have read both of these papers哪个正确?both后不是直接跟名词或动词吗?如果名词前有限定词修饰就必须要用both of 那我觉得这句话应该用both of 接these papers啊 these不是修饰pa 省to的动词不定式,被动语态要加to的动词如题 改写关于情态动词的过去语态的句子记住是：主+情态动词+be+过去分词 1.I will send a message immediately .2 We must sell all these goods .3 I told you he would receive the pavcel in time 4 He has to deliver the letter by hand 动词的被动语态的结构 英语中“动词的语态”是什么意思? 英语中无被动语态的动词 急需英语情态动词的被动语态!