We don't need do our homework right now.(改错)

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We don't need do our homework right now.(改错)

We don't need do our homework right now.(改错)
We don't need do our homework right now.(改错)

We don't need do our homework right now.(改错)
We don't need do our homework right now
改成
We don't need to do our homework right now

We needn't do our homework right now
前一句中,need做行为动词,need to do
后一句中,need为情态动词,need do

we don't need to do our homework right now
need to do sth

We don't need do our homework right now.(改错)
We don't need to do our homework right now.
need做实意动词,其否定形式要在need前面加【助动词和not】。
We needn't do our homework right now.
need做情态动词,可以直接在情态动词need后面加not构成否定。

need后面要加to.