题目内容
7.Tom did kungfu for the school show last year.(改为否定句)Tomdidn't do kungfu for the school show last year.
分析 --去年汤姆为学校表演做了功夫.
--去年汤姆没有为学校表演做了功夫.
解答 答案:didn't do.考查否定句.根据last year去年,可知是一般过去时态.含有实义动词,变否定句在实义动词前用didn't,实义动词did变原形do.答案是didn'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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