2020年中考英语知识点之一般过去时肯定句变为否定句
2019-09-17 15:13:58中考网编辑
中考网整理了关于2020年中考英语知识点之一般过去时肯定句变为否定句,希望对同学们有所帮助,仅供参考。
肯定句变为否定句
技巧1:
当句中含有情态动词或助动词could,would,should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 / couldn't get you a concert ticket.
技巧2:
当句中含有系动词was,were 时,可直接在其后加not构成否定句。例如:
I was on the Internet when you called me. → I was not / wasn't on the Internet 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 / didn't,动词还原,构成否定句。例如:
The famous singer sang some Chinese songs. → The famous singer did not / didn't sing any Chinese songs.
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