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初中英语时态知识点:一般疑问句的几点注意事项
来源:人人学教育 编辑:Alisa发布日期:2014-06-20 15:50:01

    一般用什么问就用什么来回答。

  但以下例外:Is this a pencil?  Yes , it is./ No, it isn't.

  Is that your backpack?  Yes , it is./ No, it isn't.

  Are these your parents?  Yes, they're./ No, they aren't.

  Are those Jim's brothers?  Yes, they're./ No, they aren't.

  当句子中没有be动词,也没有情态动词时,变一般疑问句时,在主语前加助动词do (I, we, you,以及复数), does(第三人称单数she,he,it等)变成问句;