高中英语复习北师大版《Comparison of adjective》(共30张PPT).ppt

1、Comparision of adjectivesGrammarMy heart beats a little bit slower;these nights are a little bit colderNow that youre gone;my skies seem a little bit darker sweet dreams gonna a little bit harder I hate when youre goneEveryday time is passing,growing tired of all this traffictake me away to where yo

2、u areI wanna be holding your hand in the sand by the tire swingwhere we used to be baby you and me;I traveled a thousand miles Just so I can see you smile;feels so far away when you cry cause home is In your eyesYour heart beats a little bit fastertheres tears were there used to be laughter now that

3、 Im goneYou talk just a little bit softer;things take just a little bit longeryou hate that Im goneEnjoy a song:Home is in your eyesThe Yangtze RiverThe Yellow River 6,300 km(long)5,464 km(long)The Yangtze River is longer than the Yellow River.AB(long)Mount Tian Mount QomolangmaMount Qomolangma is h

4、igher than Mount Tian.1532.8m1,532 m(high)8,848 m(high)(high)ABtallTom Harry Tom is taller than Harry.shortHarry is shorter than Tom.oldyoungBob is older than Andrew.Andrew is younger than Bob.BobAndrew 构成:一 规则变化1 一般在词尾加 er 或est 如：taller,tallest2 以e结尾加 r 或 st 如 larger,largest3 重读闭音节并以一个辅音字母结尾的双写 末尾字

5、母加er 或est如 bigger biggest4 以辅音加y结尾的 变y为i再加er 或 est 如 heavier ,heaviest5 多音节和部分双音节词在前面加more,the most如 more beautiful ,the most beautiful二 不规则变化原级good/wellill/badlittlemany/much比较级最高级betterbestworseworstlessleastmoremost写出下列词的比较级和最高级large-high-heavy-thin-difficult-important-much-bad-比较级largerhigherhea

6、vierthinnermore difficultmore importantmoreworse最高级largesthighestheaviestthinnestthe most difficultthe most importantmostworstHello!ImLily.Imfourteen.Mary is younger than Lily.Oh,Im Mary.Im nine.Katy is the youngest of three.Lily is young.Er,Im Katy,Im six.1.同级比较两者相比（AB），用_，如：Tom is as tall as Jack.

7、My apples are as red as yours.“as+原级+as”形容词比较等级的句型not+so(as)+原级+as两者相比（AB），用“_”如：This room is bigger than that one.越来越:比较级+and+比较级more and more+原级如：The weather is hotter and hotter.Our country is more and more beautiful.1)今天比昨天更干燥。Today is _ _ yesterday.2)太阳比月亮大得多。The sun is _ _ _ the moon.3)他是家里兄弟中

8、最年轻的。He is _ _any other brother in the family.drier thanmuch bigger thanyounger than【即学即练】表示一方随另一方程度变化时，用“the+比较级,the+比较级”结构。如：The busier the old man is,the happierhe feels.The more you study,the more you know.Complete the sentences with the words in the Complete the sentences with the words in the

9、box in suitable comparative forms.box in suitable comparative forms.Example:Air pollution is getting worse and worse.Example:Air pollution is getting worse and worse.1.people are,they will live.1.people are,they will live.2.we recycle,we waste.2.we recycle,we waste.3.The planet is getting .3.The pla

10、net is getting .4.According to scientists,the universe is getting 4.According to scientists,the universe is getting aa.5.you practise,fluently you will speak.5.you practise,fluently you will speak.6.I found it difficult to sold the problem.6.I found it difficult to sold the problem.The healthierThe

11、healthierthe longer the longer The moreThe morethe lessthe lesswarmer and warmerwarmer and warmerbiggerbiggerand biggerand biggerThe moreThe morethe morethe moremore and moremore and morethe+最高级+比较范围3.最高级表示三个或三个以上进行比较，其中某一方超过其他几方面的用 _如：She is the best student in our class.1)过去她家是村里最穷的。Her family _ _

12、 _ in her village in the past.2)澳大利亚是世界上最富裕的国家之一Australia is one of _ in the world.3)他是家里兄弟中最年轻的。He is _ _ of the brothers in the family.was the poorestthe richest countries the youngest【即学即练】比较级的最高级含义常见结构1)not/never +a/an+比较级+n.2)no/never/nothing +比较级原句回放You certainly wont find a noisier fish.1)本句相

13、当于Thats the nosiest fish you can find.2)英语中否定词和比较级连用一般表示最高级含义，有强调意味。意为“再没有比更的了”。4.倍数表达法倍数（half,double,twice,times）+as+形容词+as 倍数+比较级+than 倍数+the size(height,length,weight,width,depth,age)+of 如：This cake is twice as big as that one.=This cake is twice bigger than that one.=This cake is twice the size

14、of that one.课文原句回放You can only see a small part of it above the water.Its three times as big underwater.要点点拨“Its three times as big underwater.”是一个省略句，补全就是：Its three times as big underwater as the part above the water.11）Mount Qumolangma is about Mount Qumolangma is about six times as six times as h

15、igh as high as Mount Tai.Mount Tai.22）Mount Qumolangma is about Mount Qumolangma is about six times six times higher thanhigher than Mount Tai.Mount Tai.33）Mount Qumolangma is about Mount Qumolangma is about six times six times the height ofthe height of Mount Tai.Mount Tai.Mount TaiMount TaiMountQu

16、molangmaMountQumolangmahigh/heighthigh/height练习倍数表达1521m1521m8848M1.Bob never does his homework_Mary.He makes lots of mistakes.A.so careful as B.as carefully as C.carefully as D.as careful as 2.Now air in our town is _ than it used to be.Something must be done to it A.very good B.much better C.rathe

17、r than D.even worseBD3.In recent years travel companies have succeeded in selling us the idea that the further we go,_.A.our holiday will be better B.our holiday will be the better C.the better our holiday will be D.the better will our holiday be4.Greenland,_ island in the world,covers over two mill

18、ion square kilometers.A.it is the largest B.that is the largest C.is the largest D.the largestDC5.I feel _ better than yesterday.A.more B.very C.the D.far6.China has a large population than _ in the world.A.all the countries B.every country C.any country D.any other countryDD7.Did you enjoy yourself

19、 at the party?Yes,Ive never been to _ one before.A.a more excited B.the most excited C.a more exciting D.the most exciting8.I like this jacket better than that one,but it costs almost three times _.A.as much B.as many C.so much D.so manyCA9.As far as I am concerned,education is about learning and th

20、e more you learn,_.A.the more for life are you equipped B.the more equipped for life you are C.the more life you are equipped for D.you are equipped the more for life10.Is your headache getting _?No,its worse.A.better B.bad C.less D.wellBA11.This restaurant wasnt _ that other restaurant we went to.A.half as good as B.as half good as C.as good as half D.good as half asA