否定词构成否定句:否定词 hardly seldom few little rarely scarcely
否定词缀un-, dis-, im-,-less不构成否定句
助动词一致
独立谓语
原形-do
单三-does
过去式-did
复合谓语
have类
be类
will类
情态助动词
主语为代词
反义疑问句中,主语要用其相应的人称代词形式
特殊情况
主语特殊
主语是不定代词
谓语特殊
I wish/am
含有情态动词must
含有ought to, used to, would rather, had better
含有have, has, had
特殊
陈述主语主语为:somebody,someone,everybody,everone,
no one,nobody,anyone,anybody或those,these
反义疑问主语为:they .
陈述主语为:something,anything,nothing,everything
或this,that
反义疑问主语为:it
I wish--may I
I am --arent't
陈述句谓语中含有情态动词must时
A.mustn't“一定不要”,表示强烈禁止
B.must+动原 “必须”
C.must be /must done 表示推测
无时间状语,和must后的助动词保持一致
有时间状语,根据时间状语判断
陈述句谓语中含有:陈述部分 反义疑问句部分
ougut to(=should) shouldn't/oughtn't
used to do(过去常常做...) didn't/usedn't/usen't
would rather(宁愿) wouldn't
would like to de (想要做...) wouldn't
had batter(最好...) hadn't
谓语动词中含有 have/has/had
A.实义动词(吃、有)反义用do/does/did
B.助动词——构成完成时,反义用have/has/had
C.have to/has to /had to 不得不,反义用do/does/did
had better---hadn't+主语
句型特殊
祈使句反义疑问句
祈使句 前肯后 will/won't you
前否后 will you
Let's →shall we? 包括说话对方
Let'us → will you? 不包括说话对方
Let me → will you/may I?