题目内容
7.The boy does his homework in the evening.(改为否定句)The boydoesn'tdo his homework in the evening.
分析 --这个男孩在晚上做作业.
--这个男孩在晚上不做作业.
解答 答案:doesn't do.考查否定句.根据does可知,一般现在时态,主语是单数,含有实义动词,变否定句在实义动词前用doesn't.实义动词does变原形do.答案是doesn't do.
点评 考查否定句.通常是在be动词,情态动词后加not.一般现在时态,主语不是第三人称单数用don't,主语是第三人称单数用doesn't.一般过去时态用didn't.还有其它用法需要牢记.
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