1、中考知识点整理中考知识点整理1疑问词疑问词+to dowhat to do(what 是动词是动词do的宾语的宾语)eg.What to buy for my mother as her birthday present.where to do stheg.They are planning where to travel this summer.when to do sth eg.Have you decided when to set off?疑问词疑问词+to dohow to do stheg.Can you tell me how to search the Internet for
2、 information.who to do eg.She has few friends in this city.So he doesnt to talk with.why to do 没有这种说法没有这种说法 ifA.如果（if 引导的是从句）主将从现eg.If it rains,Ill stay at home.B.是否（whether）各种时态(主从句时态保持一致)eg.I wonder if you are interested in this subject.She asked if he could use my bicycle.如果宾语从句是否定句，一般用if.加原级的情况A
3、.as.as eg.Ive never see a car as old as this one.B.not asso.as eg.They didnt do asso much work as you did.C.verytooquiteso+原级whenA.什么时候什么时候 各种时态各种时态 eg.When did you move to Wuxi?When will you come to see us?When do you get up every morning?She asked when I would go to the zoo again.whenB.当当.时时 主将从现、
4、主过主将从现、主过(不是仅仅一般过去时不是仅仅一般过去时)从过从过eg.He will call me when he arrives.（当主从表示规律时，都用一般现在时）（当主从表示规律时，都用一般现在时）When he got there,the train had left.Someone knocked at the door when we were having dinner.He was doing his homework when his father came back.The leaves turn green when the spring comes.whenwhen
5、 to do sth.什么时候做某事什么时候做某事 when doing 当做某事时当做某事时定语从句三要素：、关系词 关系代词：whichwhothatwhose 关系副词：wherewhenwhy关系代词的作用：A.关系代词引导定语从句 B.关系代词指代先行词 C.关系代词在从句中充当一定的成分（主语or宾语or定语，这也是区分关系代词还是关系副词的关键。）当关系代词在定语从句中充当宾语时，可以省略。if宾语从句注意点 A.时态：主从句时态一致当主句是一般现在时，从句根据实际情况判断时态。当主句是一般过去时，从句时用某种相应的过去时态。当从句为客观事实或真理等时，从句时态不受主句影响。if
6、宾语从句注意点 B.语序：从句为陈述句语序本身就是陈述句的疑问句有：Which is the way to.?Whats the matter with.?Whats wrong with.?What happened（to sb.）?Who（主语）do sth?C.固定搭配疑问词whether表示“是否”时，只能用whether，不能用if替换的情况：A.whether to doeg.I dont know whether to go there at once.B.whether.or noteg.Let me know you whether you can come or noC.引
7、导主语从句引导主语从句eg.Whether he will come is still a question.D.宾语前置宾语前置eg.Whether he will come,I am not sure.E.介词之后介词之后eg.It depends on whether the letter arrives in timF.discuss后的宾语从句后的宾语从句eg.We discussed whether we should close the shoG.容易产生歧义的句子容易产生歧义的句子eg.Please let me know if you need help.Please let
8、 me know whether you need help.a little与与a fewa little+可数可数 一点儿（肯定）一点儿（肯定）little+不可数不可数 几乎没有（否定）几乎没有（否定）a few +可数可数 一些一些 （肯定）（肯定）few +可数可数 几乎没有（否定）几乎没有（否定）比较级与最高级常见句型倍数+比较级+than.eg.This room is twice larger than that one.=倍数+as+adjadv+as=This room is twice as large as that one比较级 and 比较级eg.The days
9、are getting shorter and shortermore and more+adjadvMy hometown is becoming more and more beautiful.the+比较级，the+比较级eg.The harder you study,the happier well be at English.one of the+最高级+n(pl.)+inof.eg.Beijing is one of the oldest cities in China.one of the+最高级+inof.eg.Annie studies hardest in our clas
10、s.the+比较级+of the twoeg.Mary does better in English of the two girls.比较级 than+any other+n(sg.)+ineg.He is taller than any other student in his class.=比较级 than+any of the other+n(pl.)+in =He is taller than any of the other students in his class =比较级 than+the other n(pl.)=He is taller than the other st
11、udents in his class.注：中3种情况为同类比较，不同类比较用：比较级+than+any+n(sg.)eg.Shanghai is bigger than any city in Japan.the 最高级+that从句（现在完成时）.eg.The film is the best one I have seen.其他加比较级的情况 muchevenanyfara littlea lotstill+比较级 such与与so的区别的区别such+名词短语名词短语 so+adjadv特殊：如果名词前有manymuchfewlittle 修饰时，不用such，而用 soso few+
12、可数名词复数可数名词复数 （如此少）（如此少）eg.There are so few people in the street on such a xold evening.so little+不可数名词不可数名词(如此少如此少)eg.She has so liitle money and cant afford for a new computer.so many+可数名词复数可数名词复数（如此多）（如此多）eg.Why did I have so many things to do?so much+不可数名词不可数名词（如此多）（如此多）eg.Why do you have so much
13、 homework to do?when时态注意点时态注意点1一般过去时只表示动作发生于过去。一般过去时只表示动作发生于过去。而现在完成时表示而现在完成时表示 动作开始于过去，并持续到现在。动作开始于过去，并持续到现在。动作发生于过去，但对现在产生影响或有某种联系。动作发生于过去，但对现在产生影响或有某种联系。某一动作在过去一段时间内发生数次。某一动作在过去一段时间内发生数次。eg.Where have my children learnt such rude words?(learn这个动作发生在过去，产生了某种后果，也就是这个动作发生在过去，产生了某种后果，也就是孩子们的母亲很生气，体孩子
14、们的母亲很生气，体现在语气上。现在语气上。)when时态注意点时态注意点2过去完成时必须要有过去的时间或动作作为参照。即“过去的过去”3过去将来时与一般将来时没有时间上的联系。一般将来时是指相对于“现在”而言的将来。过去将来时是指相对于“过去”而言的将来。Whats.like?eg.Whats your father like?Hes tall.Hes kind.Whats your hometown like?Its modern.Whats the weather like?What doesdo.like（doing）?eg.-What does your father like?He
15、likes reading novels.What doesdo.look like?eg.What does the toy look like?He looks like a monkey.How is.?eg.How is your father?He is well.How doesdo.look?eg.How does your father look?He looks handsome。How do you like.?eg.How do you like this new skirt?What do you think of this new skirt?=What do you
16、 think of.?How would you like.?eg.How would you like your coffee?Black，please.eg.How do you like your coffee?Very much.marry的用法的用法A marry BA getbe married to B A and B get marriedneed的用法的用法A.情态动词情态动词 need sthB.行为动词行为动词 need sth need to do 情态动词表示猜测maybe 可能（用于句首）may be 可能是（用于句中）may not be 可能不是cant be 不可能是must be 一定是
