题目内容
19.Could you please open the window.(改为否定句)Could you pleasenot open the window.
分析 --请你打开窗户好吗?
--请你不要打开窗户好吗?
解答 答案:not open.考查否定句.could you please+动词原形,"请你做某事",could you please not+动词原形,"请你不要做某事",因此答案是not open.
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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