题目内容
19.Li Lei does the housework every day.(改为否定句)Li Leidoesn'tdo the housework every day.
分析 李磊每天都做家务.
李磊每天都不做家务.
解答 答案:doesn't do.肯定句中的does是实意动词,原形是do做的含义,这里是一般现在时,改为否定句借助于助动词do或者does,后面加上not,这里主语是Lilei是三单,故does,加上not缩写成doesn't,后面的动词还原成原形do,故答案是doesn't do.
点评 含有be动词,情态动词或者助动词have/has的句子转化成否定时在其后面加上not,一般实意动词的否定式,通常应根据不同时态和人称在实意动词之前加don't,doesn't,didn't等:
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