新东方考研语法讲堂167

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二、代词一致
    代词一致是指句子中代词应在数、性、人称等方面彼此保持一致，
    如：One must do one' s best to increase production.
     Everybody talked at the tap of his/their voice.
     If anyone calls, tell him I' 11 be back in a moment. (him也可用him or her代替)
    在写作中，如果表示不定的人，可以用you, we, one等，需要注意的是：同一篇文章中，只用同一个不定代词，而且所有格要与其一致。
   
    三、肯定与否定一致
    下列形容词、副词、代词从肯定句变成否定句时，须作相应的变化:
    肯定句否定句
    We've had some money.We haven't had any money.
    I was talking to someoneI wasn't talking to anyone.
    They sometimes visit us.They rarely (never, seldom) visit us.
    He has arrived already.He hasn't arrived yet.
    Li is coming too.Li isn't coming either.
    Both of us are going.Neither of us are going.
    He likes both of them.He doesn't like either of them.
    注意：“so/neither+助动词/情态动词+名词/代词”结构中须用倒装语序，
    如：My wife likes classical music very much and so do.
     She doesn' t like jazz and neither do.