①She was seen to dance by them.

问题描述:

①She was seen to dance by them.
②She has that is told to you by Tom?
③She is often heard to sing this pop song.
被动语态中,这里为什么动词的过去分词后有to?
由于是刚刚预习九年级新课,还不太懂,请讲清楚些,如果可以,希望能够稍微帮我理一下这个比较难的知识点.
1个回答 分类: 英语 2014-11-06

问题解答:

我来补答
被动语态的句型
肯定句:主语+be +过去分词+(by~).
否定句:主语+be not +过去分词+(by~).
一般疑问句:Be +主语+过去分词+(by~
特殊疑问句:疑问词+be +主语+过去分词+(by~
被动语态白表示某事被做,例如we cleaned our classroom everyday变成 Our classroom is cleaned everyday,跟to无关,原来是什么句式就用什么句式
特殊情况:感官动词或使役动词使用省略to的动词不定式,主动语态中不带to ,但变为被动语态时,须加上to .例:make somebody do something→somebody+ be +made to do something see somebody do something→somebody +be +seen to do something
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