题目内容
20.Alice does the shopping on Sundays.(改为否定句)Alicedoesn't do the shopping on Sundays.
分析 爱丽丝周日去购物.
爱丽丝周日不去购物.
解答 答案:doesn't do.句中的do是实意动词,do the shopping表示购物,这里是一般现在时,故借助于do或者does构成否定句,主语是Alice三单,故does,加上not缩写成doesn't,后加动词原形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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