英语句子的否定.doc

英语句子的否定（一） 一般否定。He does his lesson at seven every morning。-He dont his lesson at seven every morning。【注】这种句子的否定，要在助动词后面加“not”来否定。（二） 宾语从句的否定。I believe he can do it。 - I dont believe he can do it。【注】宾语从句的否定，如有think、believe、suppose、expece。否定时，要否定主句，否则要否定从句。（三） 祈使句的否定。1、 Read。-Dont read。2、 Youd better do it。- Youd better not do it。3、 Lets sit here。- Lets not sit here。【注】祈使句的否定，要否定动词不定式to。（四） 代词的否定。1、 All of us are leaguemember。 -None of us are leaguemember。2、 Each of us is reading text， -No one of us is reading text，3、 Eneryone is here。 -No one is here。 4、I know all of them。 -I know none of them。（全否定） -I dont know all of them。 【注】代词的否定，主要有以下变化。 all-none every-no both-neither each-neither something-nothing -no one -not anything every one-no one some-no -no body -not any（五） 连词的否定。1、 He can read and write.-He cant read or write.2、I have brothers and sisters.-I have not brother or sister.3、You have worked out the problem, so have I.-You havent worked out the problem, nor(neither)have I.4、 He isnt only clever but also diligent.-He is neither clever nor diligent.5、I saw both the teacher and the studengts.-I saw neither the clever nor the students.【注】连词的否定，主要有以下词发生变化。1、 not any=no.变这种句子时，and要变成notor2、 so句型。前半部分需要否定，后半部分的so要变成neither或nor。其余连词notonly 不但而且 bothand 既又 eitheror 或者或者都要相应地变成neithernor（六） 情态动词的否定。1、 You must go there.- You neednt go there.2、 He must be in the room.- He cant be in the room.【注】这种句子，要根据意思而定，有时也要变化。 -neednt -havent tomust have to -cant -dont have to（七） 副词的否定。1、 He always finishes his homework on time.- He never finishes his homework on time.【注】副词要做以下的变化。 always-never already-notyet now- notyet still-notany more often-seldem nearly-hardly (八)too的否定。 把too变成noteither。 This is a pen, too.- This isnt a pen, either.英语反义疑问句的变化（一） 一般式。They agree with us.-They agree with us. Dont they?He isnt in the city.-He isnt in the city. is he?（二） 情态动词。You can go now.-You can go now. cant you?They ought to go by bike.-They ought to go by bike. Shouldnt they?（三） 动词不定式。You have to lisson to the talk.-You have to lisson to the talk. dont you?I had to explain it again.-I had to explain it again. didnt you? （四）祈使句。 Lets go to see the film.- Lets go to see the film. shall we? （五）其它Hed made a model plan.-Hed made