就像这两题一样He told me about the thing discussed at the meeting.A metal called uranium gives off a kind of radiation.中的discussed called为过去分词 在此处可以表示别动 但是为什么就省略了BE动词呢?是每个句子都

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/18 01:26:36

就像这两题一样He told me about the thing discussed at the meeting.A metal called uranium gives off a kind of radiation.中的discussed called为过去分词 在此处可以表示别动 但是为什么就省略了BE动词呢?是每个句子都
就像这两题一样
He told me about the thing discussed at the meeting.
A metal called uranium gives off a kind of radiation.
中的discussed called为过去分词 在此处可以表示别动 但是为什么就省略了BE动词呢?是每个句子都这样吗?
被动不是BE +过去分词这个固定搭配么？

就像这两题一样He told me about the thing discussed at the meeting.A metal called uranium gives off a kind of radiation.中的discussed called为过去分词 在此处可以表示别动 但是为什么就省略了BE动词呢?是每个句子都
第一句 中的discussed是因为前面有 told 所以就不用了 下面一句就不了解了

discussed做的是定语，相当于一个省略的定语从句。与被修饰词是被动关系;
called....分次短语作定语放在被修饰词之后，
过去分词作表语时，BE动词不可省略，表语常强调主语所处的状态，被动语态则强调动作。
过去分词作表语时，系动词除了be外，还可用get become turn 等，被动语态则无耻用法...

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discussed做的是定语，相当于一个省略的定语从句。与被修饰词是被动关系;
called....分次短语作定语放在被修饰词之后，
过去分词作表语时，BE动词不可省略，表语常强调主语所处的状态，被动语态则强调动作。
过去分词作表语时，系动词除了be外，还可用get become turn 等，被动语态则无耻用法

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