she does a lot of housework .如何改为否定句

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she does a lot of housework .如何改为否定句
我想知道，把这个句子改为否定句。需要什么语言点
比如a lot of 如何变否定呢

She does not do a lot of housework.
does是助动词do的三单式蔽尺汪，只要在助困慧动词后面加not就可以宏仔了

she does little housework.
little表否定，“几乎没有”的意思。