题目内容
8.Jake did lots of housework with his mother yesterday.(改为否定句)Jakedidn't dolots of housework with his mother yesterday.
分析 杰克昨天和他的妈妈做了很多家务.
杰克昨天没有和他的妈妈做很多家务.
解答 答案:didn't do.句中的did是实意动词do的过去式,表示做…,改为否定句需借助于助动词did后加上not缩写成didn't,后面接动词原形do,故答案是didn'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,后面加动词原形.
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