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过去式改为否定句

一般都是把过去时变成动词原形,然后在前面加上didn't 例如 he went to the park last sunday 变成 he didn't go to the park last sunday (纯手打,喜欢请采纳,o(∩_∩)o谢谢)

否定句在句子前面加isn't或aren't等! 肯定句就是主语+谓语+宾语 比喻 you are pig.

一般过去式:1.含有be动词肯:主语+was/were+宾语否:主语+was/were+not+宾语疑:was/were+主语+宾语?回答:肯定-Yes,主语+was/were 否定-No,主语+was/were+not2.含有实意动词肯:主语+实意动词过去式+宾语否:主语+实意动词过去式+not+宾语疑:Did+主语+实意动词原形+宾语?回答:肯定-Yes,主语+did 否

例:write为原形 一般现在时:He writes his paper.肯定句:He wrote his paper.(把动词原形变为过去式即可)He is writing his paper.[把动词原形变为be(注意人称am,is,

原句:there is a window in the wall. 一般过去时态: there was a window in the wall. 一般过去时态否定句: there wasn't a window in the wall. 一般过去时态疑问句: was there a window in the wall.?对一般过去时态疑问句作肯定回答: yes,there

I did not help my mother wash dishes

变成一般疑问句时往往把助动词did放句首,原句中的动词过去式改为原形,变否定句时谓语动词前加didn't,动词改为原形.如: He worked yesterday. Did he work yesterday? He didn't work yesterday.

例如 I went to a farm last Sunday变成 I didn't go to a farm last Sunday.

如果是实义动词,那么变疑问句,直接在句子前面加上Did ,动词过去式变动词原形 变否定句,直接在动词前面加上Didn't,动词过去式变动词原形 如果是Be动词,那么变疑问句,直接把Be动词提前 变否定句,直接在Be动词后面加上not即可.如果有疑问可以追问,没有疑问望采纳~

否定句:在动词前加didn't 一般疑问句:Did +陈述句语序

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