看到有一条理论说的是:当定语从句为there be 结构时,做主语的that可以省略,给出的例子是:I have told you all(that)there is to tell 假设此理论正确,可there is to tell不就是一个完整的主系表结构吗?that还怎么做主语?
I have told you all (that) there is to tell.
这句话,关系代词 that 是定语从句 there is to tell 的主语,可省略。to tell 是 that 的定语。完整的句子是这样的:
There is something to tell (you). ——that 指 something。
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