题目内容
3.Jack put his dictionary on the bookshelf.(否定句)Jackdidn'tputhis dictionary on the bookshelf.
分析 --杰克把他的字典放在书架上.
--杰克没把他的字典放在书架上.
解答 答案:didn't put.考查否定句.根据Jack put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加didn't.实义动词用原形put.答案是didn't put.
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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