I often help my mother do some houseworkhousework不可数为什么用do,不用does

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I often help my mother do some houseworkhousework不可数为什么用do,不用does
I often help my mother do some housework
housework不可数为什么用do,不用does

I often help my mother do some houseworkhousework不可数为什么用do,不用does
首先你要分清句子的结构
I often help my mother do some housework
I是主语 help是谓语 my mother 宾语 do some housework是动宾结构不定式
即help sb.(to) do sth.
而这里面的 do任何时候都是不用变形的,因为它是不定式(to) do ,不是谓语
若是一般句子例如：I do my housework
如将 I 变为 He,则 do应变为does ,因为这里do是谓语
总结：
①变不变要看是不是谓语
②怎么变要看主语,而不是do后宾语my housework

do 和does 不是看后面接的名词，即housework
而是看句子的主语
I You They则是用do
He She 等用does

首先要告诉你……housework在这里是宾语，英语里宾语的数不影响动词，真正影响动词的是主语的数
然后，在这句话中，do是动词担不是谓语动词。主语是I，谓语动词是help, do 只是help sb. (to) do sth.的省to不定式，做help的补语.

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