八年级英语第三单元比较级语法.ppt

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1、2023/9/22,1,Welcome,形容词的比较级,2023/9/22,2,短语归纳:1.have fun 2.work hard3.as.as 4.care about5.be different from 6.the same as7.as long as 8.bring out9.be similar to 10.be good at 11.be good with 12.make friends 13.in fact,2023/9/22,3,Liu Xiang is tall.,Yao Ming is taller than LiuXiang.,Yao Ming,Liu Xiang

2、,2023/9/22,4,Zen Zhiwei is short.,Xiao xin is shorter than Zen Zhiwei.,Zen Zhiwei,Xiao xin,2023/9/22,5,Summer is hot.Summer is _ than spring.Winter is cold.Winter is _ than autumn.,hotter,colder,2023/9/22,6,Liu Yifei is thin.,Mike is thinner than Liu Yifei.,Liu Yifei,Mike,2023/9/22,7,Li Yong is funn

3、y.,Pan Changjiang is funnier than Li Yong.,Li Yong,Pan Changjiang,2023/9/22,8,一、规则变化,二、不规则变化,三、形容词比较级的用法,2023/9/22,9,一、单音节和 部分双音节词,Q1:形容词比较级的规则变化有些?,1.slow fast young tall2.fine late3.thin big4.easy lucky,slower,younger,一般在词尾加 er,以字母e 结尾的词,加r,重读闭音节词只有一个辅音字母时,双写辅音字母,加 er,以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加e

4、r,finer,later,easier,thinner,bigger,luckier,taller,faster,2023/9/22,10,二.多音节和部分双音节词在词前加more,delicious more delicious,important more important,boring more boring,popular more popular,2023/9/22,11,Q2:形容词比较级的不规则变化有哪些?,2023/9/22,12,Q3.通常在什么情况用形容词比较级?,The earth is larger than the moon.,1.两者之间的比较,句中有明显的标志

5、词 than。,数学和英语,哪个更容易?,变式练习:这本书比那本书有趣。,Which is easier,maths or English?,2.Which/Who is+比较级,A or B?,变式练习:周杰伦和张杰,谁更受欢迎?,This book is more interesting than that one.,Who is more popular,Zhou jie lun or Zhang jie?,2023/9/22,13,Q4.有哪些特殊情况下也使用形容词的比较级?,汤姆是这两个男孩中 较高的一个,Tom is the taller of the two boys.,1.is

6、 the+比较级+of the two.(两者中较),天变得越来越黑。,变式练习:实验中学是两所学校中较好的一所。,Its getting darker and darker.,2、越来越比较级+and+比较级“越来越”,变式练习:他有越来越多的朋友。,Shiyan Middle School is the better of the two schools.,He has more and more friends.,2023/9/22,14,利辛变得越来越美丽.,Lixin is becoming more and more beautiful.,2)More+and+more+原级(该原

7、级为多音节或部分双音节形容词)“越来越”,你吃得越多,就变得越胖。,练习:英语越来越重要。,The more you eat,the fatter you will become.,3.The+比较级,the+比较级“越,就越”,English is more and more important.,2023/9/22,15,4.much,a lot,a bit,a little,even,far 等修饰比较级.Lucy比她姐姐胖的多。Lucy is much heavier than her sister.,练习:她今天比我更高兴。,Today she is much happier tha

8、n me.,2023/9/22,16,写出下列形容词的比较级,shortillbiglateeasydelicious,shorter,目标检测,worse,bigger,later,easier,more delicious,2023/9/22,17,1.A horse is _ than a dog A.much heavy B.more heavier C.much heavier D.more heavy2.Emma always makes a lot of mistakes.She is _ A.care B.careful C.carefully D.careless3.Whic

9、h subject is _,physics or chemistry?A.interesting B.most interesting C.more interesting D.the most interesting,C,D,C,2023/9/22,18,4.In our city its _ in July,but it is even _ in August A.hotter,hottest B.hot,hot C.hotter,hot D.hot,hotter,5.The bread is _ than these cakes A.very delicious B.much deli

10、cious C.more delicious D.as delicious,6._ you work,_your future will be.A.Harder;better B.The more hardly;the more beautiful C.The more hard;the better D.The harder;the brighter,D,c,D,2023/9/22,19,7.Everyone knows China is getting_ A.strong and strong B.stronger and stronger C.more strong and strong

11、 D.strongest and strongest 8 In order to keep healthy,you should eat _junk food,_fresh vegetables and take enough exercise.Afewer,fewer B.less,more C.fewer,more D.less,less,B,B,2023/9/22,20,1.necessary:形容词必需的,必要的e.gSleep is necessary to health.常用结构:It is necessary for sb to do sth.=It is necessary t

12、hat.“对某人来说做某事是必要的”e.g 对我来说学习英语是必要的。,It is necessary for me to study English.=It is necessary that I study English.,2023/9/22,21,2.both:两个,两者都,其主要用法:1.both单独做主语时其谓语动词要用复数形式。e.g Both are students.2.both.and.两个都否定形式:neither.nor.既不.也不.,都不e.g 露西和丽丽都在吃晚餐。他既不是教师也不是医生。,Both Lucy and Lily are having supper.H

13、e is neither a teacher nor a doctor.,3.similar:形容词“相似的,类似的”常用结构:be similar to=be like和.相似e.g Your new haircut is similar to mine.,similar与same:1.similar=like大致相似的,类似的但不一样。e.g这姐妹俩看上去很像。2.same“相同的,同样的”前面需加定冠词the,常用结构:the same as与.相同e.g他的书包和你的一样。,The sisters look similar.,His bag is the same as yours.,

14、4.as.as与.一样,表示两个人/物在某方面程度相同。两个as中间是形容词或副词的原级。e.gTom和他的爸爸一样高。当表示“甲方在某一方面不如乙方时”用:not as.as=not so.as.e.g体育不及英语重要。5.as long as只要,既然e.gAs long as it doesnt rain we can go.,Tom is as tall as his father.,PE is not as important as English.=PE is not so important as English.,2023/9/22,24,6.be good with sb和.

15、相处很好=get along/on with sbe.g他和他的老师相处的很好。,He is good with his teacher.=He gets along/on with his teacher.,2023/9/22,25,所给词的正确形式填空:,1.She is much_(good)at drawing than I am.2.Hollys best friend is_(funny)than she is.3.The reporter spoke very_(clear)so that we could hear every word.4.There are_(many)bo

16、ys in our class than in theirs.,2023/9/22,26,5.There is a_(say)that behind every successful man theres a woman.6.When she came in,Bob_(break)off his talk with Jane.7.We approached(靠近)the birds _(quiet)and watched them.,1.I think computers are very useful.They can help us get much_on the Internet.2.T

17、he teacher speaks loudly so that the students can hear her_.3.The mother walked into the room_in order not to wake up her baby.,7._you study,_knowledge youll get.A.The harder,moreB.The harder,the more C.Harder,the more D.Harder,more8.Ted is_more serious than JohnA.few B.a lot of C.a little D.very9.H

18、is bike is the same as_.A.I B.me C.my D.mine10.They_swim across the river.A.can both B.both canC.are both D.both are,11.We dont look the same,_were twins.A.although B.but C.however D.so12.English is_than Japanese in China.A.important B.importanterC.more important D.much important13.Dick.is Nick your

19、 twin brother?Yes,and Im thirty minutes_than him.A.fatter B.taller C.heavier D.older14.Dont_at him.He tried his best.A.smile B.laugh C.cry D.cough15.Can a dog run_a horse?A.so fast as B.as fast asC.as faster as D.so faster than,16.Soccer is becoming_in China today.A.most and most popularB.most popul

20、arC.popular and popularD.more and more popular17.The more careful you are,the_mistakes you will make.A.few B.fewer C.fewest18.Its summer now.The weather is getting_.A.higher and higher B.lower and lowerC.hotter and hotter D.colder and colder19.Lili isnt as_as Peter.She often makes mistakes.A.careles

21、s B.careful C.carelessly D.carefully,2023/9/22,31,20.Lin Taos watch is the same_yours.So I dont know which is his.A.for B.on C.as D.with21._you need me,Ill stay.A.As B.Because ofC.The same as D.As long as22.Please_your book.Listen to me carefully.A.bring to B.bring out C.took out D.put out23.He alwa

22、ys agrees with his friends about everying._,he has no thoughts of his own.A.In fact B.Because of C.As well D.As well as,2023/9/22,32,24.Do you know the man_is reading the book over there?Yes,hes Mr.Green,our math teacher.A.which B.what C.where D.who25.I dont_what he does.A.take care of B.care aboutC.look after D.look up26.Your bag is_to mine.I dont know which one is mine.A.same B.similar C.like D.unlike,2023/9/22,33,27.John can play_guitar,but he cant play_chess.A.the,/B./,the C.the,the D.a,the28.This pen is_expensive than that one.A.much more B.muchC.the most D.very more,

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