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1、中考英语知识点总结2021本站为您整理“中考英语一般过去时知识点:三种变化技巧”欢迎阅读参考更多精彩内容请继续关注本网站相关栏目发布的信息。中考英语一般过去时知识点:三种变化技巧一变:肯定句变为否定句【技巧1】当句中含有情态动词或助动词couldwouldshould等时可直接在其后面加not构成否定句。例如:I could get you a concert ticket. I could not / couldnt get you a concert ticket.【技巧2】当句中含有系动词waswere 时可直接在其后加not构成否定句。例如:I was on the Inter whe
2、n you called me. I was not / wasnt on the Inter when you called me.【技巧3】当句中谓语是除情态动词、助动词、系动词was,were以外的动词时在该动词之前加did not / didnt动词还原构成否定句。例如:The famous singer sang some Chinese songs. The famous singer did not / didnt sing any Chinese songs.二变:陈述句变为一般疑问句【技巧1】移动词语的位置。将waswere,couldwouldshould等移到句首。例如:
3、He could pack his things himself. Could he pack his things himself?【技巧2】添加助动词did。谓语是除情态动词、助动词、系动词was,were以外的动词时在主语之前加did动词还原。例如:Mr Li looked very old. Did Mr Li look very old?三变:陈述句变为特殊疑问句【技巧1】确定疑问词:人who / whom物what地点where时间when / what time原因why频率how often长度how long距离how far等等。例如:They gave the concert last night. When did they give the concert?【技巧2】辨认结构形式:疑问词+情态动词/助动词/ was / were / did +主语+.? 例如:The accident happened near the station. Where did the accident happen.第 3 页 共 3 页