There is no need to constantly prove that everything is going well.请问这个句子里怎么划分句子成分.need是主语?不定式短语是同位语?is 是谓语?

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There is no need to constantly prove that everything is going well.请问这个句子里怎么划分句子成分.need是主语?不定式短语是同位语?is 是谓语?

There is no need to constantly prove that everything is going well.请问这个句子里怎么划分句子成分.need是主语?不定式短语是同位语?is 是谓语?
There is no need to constantly prove that everything is going well.请问这个句子里怎么划分句子成分.
need是主语?不定式短语是同位语?is 是谓语?

There is no need to constantly prove that everything is going well.请问这个句子里怎么划分句子成分.need是主语?不定式短语是同位语?is 是谓语?
There be句型属于倒装句(全部倒装),作为一个句型,我们说there是引导词,无具体含义.
因此原顺序应当是no need is there.
no need 是主语.
is是be动词,也就是谓语.
to constantly prove.是目的状语.
that everything is going well是宾语从句.