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Paper can be made from wood.为什么要加BE
听人讲BE原形不是will,would,shall,must,等助动词后面才加的吗?但这里为什么要用BE原形?
在被动语态情况下,是不是情态动词后面,都要用原形?
人气:296 ℃ 时间:2020-02-03 17:52:45
解答
这个是被动语态
be +动词过去式
因为是在情态动词CAN的后面 所以是用BE
情态动词后面不管是否被动 动词和系动词都是用原形的...
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