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2021年中考英语复习之一般过去时肯定句变为否定句


    中考网整理了关于2021年中考英语复习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。
    一般过去时三种变化技巧
    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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