小学英语比较级与最高级的掌握资料.ppt

比较级与最高级原级：1.两者相比（甲=乙)，用as+adj/adv原级+as表示汤姆和杰克一样高。Tom is as tall as Jack.他和我跑的一样快。He runs as fast as I.2.两者相比（甲小于乙），用not as/so+原级+as 你的学校没有我们的大。Your school is not as/so big as ours.这辆小汽车没有那辆跑的快。This car doesnt run as/so fast as that one.练习：1.我和你一样漂亮。Im as beautiful as you.2.她没有我高。She is not as tall as me.3.我的眼睛和你的眼睛一样大。My eyes are as big as yours.4.他的鼻子没有我的鼻子大。His nose is not as big as mine.形容词和副词的比较级和最高级形容词和副词的比较级和最高级三种形式：原级，比较级和最高级比较级最高级构成：1规则变化（1）在单音节形容词或副词后以及少数双音节形容词或副词后，加er/est.（2 2）在以e结尾的形容词或副词后加-r,-st.（3 3）以辅音字母）以辅音字母y y结尾的结尾的形容词或副词，变，变y y为为i ierer或或estest（4 4）重读闭音节结尾的）重读闭音节结尾的形容词或副词双写最后一个辅音字母双写最后一个辅音字母erer或或estestlonglongestlongernicestnicernicehappiesthappierhappybiggestbiggerbig(5)在多音节的形容词或副词前加more/most,表示比较级和最高级如：careful-more careful-most careful(6)在某些单音节形容词，如tired,pleased,right,real,glad等，加more/most如：tired-more tired-most tired（7）以ly结尾的副词，除early外，比较级，最高级用more,most(8)以ow,ble结尾的双音节词，在词尾加er/est：narrownarrower/narrowest;able-abler/ablest原级比较级最高级tallshortoldlongprettyuglyfastthickthintallertallestshortershortestolderoldestlongerlongestprettierprettiestuglierugliestfasterfastestthickerthickestthinnerthinnest写出下列形容词或副词的比较级和最高级few _ _ big _ _fat _ _ tall _ _beautiful_ _ fast_ _fast_ _ early_ _hard_ _ large _ _busy_ _ careful _ _interesting_ _ warm _ _不不规则变化规则变化good/well-better-the bestbad/ill/badly-worse-the worstmany/much-more-the mostlittle-less-the leastfew-fewer-the fewest farther-the farthest older-the oldest further-the furthestelder the eldestold farsimplesimpler-simplestmore simple-most simple2.不规则变化 原级 比较级 最高级 well/good bad/badly/ill many/much little far oldsimple clever happy_ _ diffident _ _good _ _ many _ _little _ _ ill _ _late _ _ simple _ _well _ _ much_ _far _ _ bad _ _clever _ _ badly _ _(二)形容词和副词比较级的用法1.表示A超过B时，用基本句式：（1）A+谓语（系动词）+形容词比较级+than+B This pen is better than that one.The book is more interesting than that one.(2)A+谓语（行为动词）+副词比较级+than+BHe runs faster than Jim.He speaks English better than I.Johns watch is more expensive than yours.V.1 约翰的手表比你的约翰的手表比你的贵。贵。Yao Ming is taller than Jordan.Jordan is tall.Jordan2.26m1.98mLin Xinru is thin.Liu Yifei is thinner than Lin Xinru.45kg48kgLiu YifeiLin Xinru2.表示A不及B，用基本方式（1）A+谓语的否定式+形容词或副词的比较级+than+B This room isnt bigger than mine.He doesnt run faster than his brother.(2)A+谓语+less+形容词或副词的原形+than+B I am less tall than he.He does his homework less carefully than his brother.(3)A+谓语的否定式+so(as)+形容词或副词的原级+as+B如：Mrs Brown is not so old as she looks.布朗夫人不像她的外表那么老。It doesnt rain so often in Xian as in Wuhan.4.the+比较级,the+比较级表示B随着A的增长程度而平行增长，常译为“越越”如：The more,the better.越多越好。The more he eats,the fatter he will be.他吃的越多，就会越胖。5.比较级+and+比较级，表示“越来越”如：Its getting darker and darker.天正变的越来越黑了。He is more and more interested in maths.他对数学越来越感兴趣了。比较级应注意以下几点：1.比较级前可以用一些表示程度的状语，如much,far,a lot,a little,a bit,even,still等。如：He is a bit taller than I.他比我高一点。2.两者间的比较，如果有of短语或修饰名词，比较级前需加the，表示“较的一个”如：Which is the larger country,Canada or America?加拿大和美国，哪一个更大？最高级最高级:用于三者或三者以上用于三者或三者以上Sb./Sth.+v.+the+adj./adv.最高级最高级+范围范围比较级和最高级的结构比较级和最高级的结构She is the most active(student)in her class.她是班上最活跃的（学生）。She is the cleverest girl of(or among)the three.三个女孩当中她最聪明。prettyprettierprettiestLilyLindaMaryLily is pretty.Linda is prettier than Lily.Mary is the prettiest of the three.longestlongerlongLook at the pictures and understand 看图并理解bigbiggerbiggest1.春天是春天是一年中一年中最好的季节。最好的季节。Spring is the best season in a year.2.他是我们班里他是我们班里男孩当中男孩当中跑地最快的。跑地最快的。He runs the fastest of the boys in our class.II.4.5.6 II.4.5.6 3.Asia is the largest continent _ the world.4.She is the youngest _ the three girls.inof5.Beijing is one _the most beautiful cities _China.ofin 最高级应注意以下几点：1.表示“最.之一”的句式。如：China is one of the oldest countries in the world.中国是世界上最古老的国家之一。2.最高级前可以有状语或定语。The Yellow River is the second longest river in China.黄河是中国第二长河流。3.当最高级前有物主代词或名词所有格时，则不加定冠词the.如:Friday is my busiest day.星期五是我最忙的一天。5.最高级概念，也可以用原级或比较级结构表达。如：I cant think of a better idea.我再也想不出比这更好的主意。Nothing is so precious as time.没有什么比时间更宝贵的。6.most表示“大部分，大多数”时，不用the.如：Most students think so.大部分学生都这么想。7.most表示“非常，极，很”（=very）时，不用the.如：They are most handsome boys.他们都是英俊的男孩。Its a most interesting book.那是一本非常有趣的书。这是这是我读过的我读过的最有趣的书最有趣的书。You are the luckiest girl你是你是我见过的我见过的最幸运的女孩最幸运的女孩。This is the most interesting bookI have ever read.I have ever seen.V.2V.2These are the most beautiful flowers I have ever seen.这些是我见过的最漂亮这些是我见过的最漂亮的花。的花。一翻译 1.Mike is as _ as Bill.迈克和比尔一样高2.He doesnt drive so _ as his father.他开车没有他父亲小心3.The people are getting _ and _.人民变得越来越富裕4.Our country is becoming _ and _ beautiful.我们的国家变得越来越美丽5.The _,the _.越多越好。6.The _ he is,the _ he feels.他越忙就越感到高兴7.She is _ _ of the girls.她是女孩中最年轻的8.He is _ _ in our class.他是我们班学习最努力的9.Jim is my _ friend.吉姆是我最好的朋友二选择1.Jane is _of the three.A.young B.younger C.youngest D.the youngest2.This picture is _ than that one.A.beautiful B.more beautiful C.most beautiful D.the most beautiful3.This box is _ than that one.A.heavy B.more heavy C.heavyer D.heavier4.This question is _ than that one.A.easy B.easier C.easyer D.more easier5.She speaks English_ than any other student in her class.A.well B.best C.better D.good 6.There are _ students in their class than in ours.A.many B.much C.a lot of D.more7.Shanghai is one of _ cities in our country.A.larger B.large C.the largest D.largest8.July and August are the _ months in a year.A.hot B.hotter C.hottest D.hotest9.It is _ in summer than in winter in North China.A.hot B.hotter C.the hotter D.the hottest 10.Of all the students in our class,Betty writes _.A.very carefully B.the most carefully C.more carefully D.the most careful11.Which is _,the sun,the moon or the earth?A.big B.bigger C.The biggest D.biggest12.Of all the stars,the sun is _ to the earth.A.near B.nearer C.nearest D.the nearest13.Which subject do you like _,English or maths?A.best B.better C.well D.very much 14.Which is _,the moon or the earth?A.big B.bigger C.biggest D.the biggest15.The Huanghe River isnt as _ as the Changjiang River.A.long B.longer C.longest D.more long三词型转换1.Shanghai is _city in China.(large)2.Beihai Park is _ than Zizhuyuan Park.(beautiful)3.Our school is _ than their school.(big)4.I feel _ today than yesterday.(well)5.Who was _ apples,Lily or Lucy?(many)6.Which is _,the blue one or the red one?(nice)7.Who is _ in our class?(tall)8.Which book is _,English book,Chinese book or the story-book?(interesting)9.Li Lei studies hard.He is the _(good)student in our class.10.Which is the _(beautiful)skirt of the three?11.His hands are not so _ as yours.(dirty)