题目内容
1.The books are in the desk.(变为否定句)The booksarenotin the desk.
分析 --那些书在桌子里.
--那些书不在桌子里.
解答 答案:are not.考查否定句.含有be动词are的句子,变否定句,在are后加not,答案是are not.
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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