The first thing that you should do is call the police right now.
请问这句话中的谓语动词是否是should do, is 和call。如果call 是谓语动词的话那么句子中应该还差一个连接词,是否是is后面省略了that的表语从句连接词。
The first thing【主语】// that you should do//【修饰主语后置定语】// is 【系动词】//【不定式符号“to”省略了】call the police right now【表语】.【that you should do 为定语从句,修饰前面名词“the first thing” , should do是定语从句的谓语动词,that为定语从句宾语,you是定语从句的主语。】
参考译文:你应该做的第一件事情就是立即报警。
【备注:以上句子整体框架结构为“主语+系动词+表语”结构;前面如果含有“do”形式,用来作表语不定式通常可以省略“不定式符号to”】
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【分析】The first thing是句子的主语, that you should do是定语从句,修饰 thing, is是系动词, call the police right now 是动词不定式短语作表语。【说明】如果主语部分有实义动词 do,作表语的动词不定式可以省略 to,也可以保留to,即: The first thing that you should do is call the police right now. = The first thing that you should do is to call the police right now.