反义疑问句

专升本英语之反义疑问句思维导图，包括反义疑问句的结构、规则、变化步骤、高频考点和低频考点等。

反义疑问句

• 定义
  • 结构
    • be/情/助(not)+主语？
  • 规则
    • 前肯后否 前否后肯
  • 变化步骤
    • 1.确定主语（一般用人称代词主格）
    • 2.找出原句谓语
    • 3.提取问句
    • 判断肯否
• 高频考点
  • 祈使句的反义疑问句
    • 祈使句
      • ①please开头或结尾的句子②Be型 ③let型（否定Dot's)④NO开头
      • 用来发出命令，提出要求，建议，劝告的句子
    • 一般用will you (特殊let's开头用shall we
      • 注：let us不等于let’s
  • 陈述句的反义疑问句
    • 出现否定副词hardly scarcely(几乎不） no sonner never seldom little few barely (几乎没有）rarely (很少的）或者否定的不定代词nothing nobody no one 反义疑问句用肯定
  • 并列句的反义疑问句
    • 就近原则
      • 并列句一般由and/or/but/so/for等并列连词或者或由句号或逗号隔开的句子
      • 例：John isn't a diligent student,for it is the third time he has been late,Isn't it?
  • 主从复合句的反义疑问句
    • 遇主否还从否
      • 特殊情况
        • I /We think/except/suppose/imagine/guess/believe+(that)+从句
          • 注：主句的时态为一般现在时
        • 例：I don't think she is beautiful,is she ?
        • 例：You've never told me why you didn't come to my birthday party,have you?
• 低频考点
  • 代替
    • everyone/nobody someone/no one等合成词作主语时 反义疑问句主语用they代替
    • everything/anything/nothing等不定代词作主语时 反义疑问句主语用it代替
    • to do/doing/that/this一个从句作主语时反义疑问句主语用it
    • there be句型或there作主语的句子，反义疑问句主语用there
  • 一些特殊谓语的陈述句后跟反义疑问句
    • 实义动词与助动词
      • have/has/had
        • I have a dream,don't i?(实义动词）
        • I have finished the project,hasn't she?(助动词）
    • 情态动词与实义动词
      • must表推测
        • 对现在事实的肯定推测
          • 反义疑问句与must 无关
          • 看must之后的动词
          • 例：She must be from China,isn't she?
        • 对过去事实的肯定推测
          • 结构：must have done
          • 当陈述句后含有过去的时间状语
            • 用did提问
            • 例：He must have finished the work last night,didn't he ?
          • 当陈述句后没有过去的时间状语
            • 用Has/have提问
            • 例：He must have finished the work,hasn't he?
      • must表必须
        • 后否 need't +主？
        • 后肯 must/may+主？
    • 'd rather=would rather wouldn't+主
    • 'better=had better hadn't+主
    • 's done(is done与has done)
    • needn't need/must+主
    • ought to=should oughtn't/shouldn't+主
    • used to do sth didn't/usedn't+主
    • I'm=I am aren't I
    • I'm not=I am not am I?
    • I wish may I?