八年级上册课件unit4SectionA-2.ppt

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1、Unit 4Whats the best movie theater?复习：形容词复习：形容词最高级最高级的构成的构成A: tall short quick thick light cool warm quiet wild calm the - esttalltallertallestB: heavy easy tidy dry busy happy healthy hungry earlyy - i- estC: large late nice- st biggestD: bighothottestthin “双写双写”thinnestwet wettest fatfattestAdject

2、iveAdjective delicious dangerous interesting popular beautiful careful friendly the most - adj .Adjective Adjective better best farlittle worse worstmore mostfarther farthestless leastgoodwellbadbadlymany much 1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. little better best

3、 more comfortable most comfortable bigger biggest happier happiest cheaper cheapest more most more difficult most difficult less leastWhats the best movie theater to go to? Town Cinema. Its the closest to home. And you can buy tickets the most quickly there.Which is the worst clothes store in town?D

4、ream Clothes. Its worse than Blue Moon, it has the worst service.What do you think of 970 AM?I think 970 AM is pretty bad. It has the worst music.Grammar focus1. 用法：英语中三者或三者以上相比较，表示用法：英语中三者或三者以上相比较，表示“最最” 这样的最高程度概念时，要用这样的最高程度概念时，要用 “the+最高级最高级” 的结构表示。这种句式一般带有表示的结构表示。这种句式一般带有表示比较的介词短语，比如比较的介词短语，比如: i

5、n our class, of the three 等。等。例如：例如：Wang Lin is the tallest in our class. This theater is the cheapest of the three.注意使用最高级时应注意以下几点：注意使用最高级时应注意以下几点： 形容词的最高级形容词的最高级 (1) 表示表示 “最最之一之一” 的句式，要用的句式，要用 one of the +形容词最高级形容词最高级+复数名词。复数名词。例如：例如：Jingjiang Hotel is one of the biggest hotels in our city. Lisa i

6、s not of my best friends. (2) 当最高级前面有物主代词或名词所有格时，当最高级前面有物主代词或名词所有格时， 不加定冠词不加定冠词 the。例如：例如：Tom is Lucys best friend. Tuesday is her busiest day.(3) 最高级前可加序数词。最高级前可加序数词。例如：例如：The Yellow River is the second longest river in China.(4) 形容最高级修饰作表语或介词宾语的名形容最高级修饰作表语或介词宾语的名 词，代词时，被修饰的词往往省略。词，代词时，被修饰的词往往省略。例如

7、：例如：He is the laziest (student) in our class.2. 形容词比较级和最高级的构成形容词比较级和最高级的构成(1) 规则变化规则变化a. 一般情况下，单音节或双音节的形容词比较级一般情况下，单音节或双音节的形容词比较级直接加直接加-er, 最高级直接加最高级直接加-est。如：。如： clevercleverercleverest cheapcheapercheapest fewfewerfewest smallsmallersmallest youngyoungeryoungest b. 以以-e 结尾的形容词，比较级结尾的形容词，比较级+ -r,最高

8、级最高级+ -st。如：。如： largelargerlargest nicenicernicest cutecutercutestc. 以辅音字母以辅音字母+y结尾的形容词，变结尾的形容词，变y为为i +er或或+est。 busybusierbusiest heavyheavierheaviest easyeasiereasiest happyhappierhappiest dirtydirtierdirtiestd. 以重读闭音节结尾，末尾只有一个辅音字母结以重读闭音节结尾，末尾只有一个辅音字母结 尾的词，双写最后一个辅音字母，再加尾的词，双写最后一个辅音字母，再加+er或或 +est。

9、 如：如： bigbiggerbiggest thinthinnerthinnest fatfatterfattest hothotterhotteste. 多音节和部分双音节形容词，需在原级前多音节和部分双音节形容词，需在原级前+more 构成比较级，构成比较级，+ most 构成最高级。如：构成最高级。如： importantmore importantmost important beautifulmore beautiful most beautiful difficultmore difficultmost difficult 3. 不规则变化：不规则变化：原级比较级最高级 good

10、 /well better best bad /ill worse worst little less least many /much more most far farther /further farthest /furthest old older /elder oldest /eldestExercises一、写出下列单词的比较级和最高级。一、写出下列单词的比较级和最高级。 good _ comfortable _ far _ big _ bad _ friendly _ popular _ much _ funny _ well _ dull _ easy _ close _ cr

11、eative _二、根据要求写出单词。二、根据要求写出单词。 1. bad (比较级）比较级）_ 2. do (过去式）过去式）_ 3. best (原级）原级） _ 4. expensive(反义词）反义词）_ 5. big (最高级）最高级）_ 6. report (名词）名词）_ 7. friend (形容词）形容词）_ 8. beach（复数）（复数）_ 9. quiet (反义词）反义词）_ 10. store （同义词）（同义词）_worsedid good/wellcheapbiggestreporterfriendlybeachesbusyshop最高级规则变化口诀最高级规则变

12、化口诀：最高级，很容易，一般词尾加最高级，很容易，一般词尾加est。(cheap-the cheapest)词尾若有哑音词尾若有哑音e, 直接就加直接就加st。(close-the closest)重读闭音节，重读闭音节， 单辅音字母要双写。单辅音字母要双写。(big-the biggest)辅音字母加辅音字母加y, 记得把记得把y变为变为i。(friendly-the friendliest) 多音节，考考你，多音节，考考你，the most到底加哪里？到底加哪里？(popular-the most popular)3a Fill in the blanks with the correct

13、 forms of the words in brackets.1.We went to the _(bad) restaurant in town last night. The menu had only 10 dishes and the service was not good at all!2.Blue Moon is _ (good), but Millers is _(good) in town.3.The Big Screen is_ (expensive) than most cinemas, but Cinema City is_ (expensive).4.Movie C

14、ity has the _ (bad) service, but we can sit the_(comfortably)there.5.Johnny Depp acted the _ (good) in that movie. Hes much _ (good) than others at finding the _ (interesting) roles.worstgoodthe bestmore expensivethe most expensiveworstmost comfortablybestbettermost interesting3b Pairwork Think of t

15、hree stores in your town and fill in the chart. Then talk about the stores. Servicebest:worst:Qualitybest:worst:Pricescheapest:most expensive:A: I think Teen World has the best service.B: I think Bargain House has the worst quality.Bargain : 特价商品特价商品Teen= teenager 青少年青少年3c Groupwork Where are we goi

16、ng for lunch? Think of three places to have lunch near your school. Write the information in the chart. Then decide on the best place to have lunch.Restaurants DannysHow much is a meal?How far is it from school?10 minutes by busIs the service good?Is the food good?A: Dannys is the closest. Lets go t

17、here.B: No, its the most expensive. I think we should go to1.We are going to the Green Restaurant for lunch. (就划线部分提问) _ you going for lunch? 2. Sam is the shortest in his class. (改为同义句)Sam is _ than _ _ student in his class.Sam is _ than _ _ students in his class.Sam is _ than_ _ in his class.3. Ho

18、w do you like Screen City? (改为同义句) _ do you _ Screen City?Where areshorterany otherWhatthink ofshorterthe otheranyone elseshorter练习：改写句子练习：改写句子总 结 late later - latestearly earlier earliestbigbigger- biggestfluently/difficultmore, most单音节词在词尾比较级单音节词在词尾比较级加加- er或最高级加或最高级加- est以以e结尾的词，只需加结尾的词，只需加r 或或st

19、少数以少数以er,ow 结尾的双音结尾的双音节词加节词加-er -esttalltaller- tallest clevercleverer-cleverestcheap, cold, small, warm, young, highfine, nice, safehappy, busy, dirty, easy, lazy, prettyfat, hot, red, thin, wet, sad narrow, yellow quickly, slowly, useful, careful, popular, modern, 不规则变化不规则变化 good / well better - b

20、est much / many more - most bad / badly / ill worse worst little less least far farther/ further farthest furthest old older/ elder oldest / eldest形容词和副词比较级的用法形容词和副词比较级的用法 1.Who runs faster, he or she?2.He runs faster than she.3.He runs much faster than she.4.He becomes healthier and healthier.5.The

21、 more you exercise, the healthier you will be.6.She is less healthy than he.1.表示两者之间的选择表示两者之间的选择, 可用可用“Which/Who + 比较，比较，or?”.3.much/far/a lot, even ,still ,a little/a bit 修饰比较级修饰比较级,表示程度表示程度.Who runs faster, he or she?He runs faster than she.He runs much faster than she.4. “比较级比较级+and+比较级比较级”表示表示“越

22、来越越来越”5. “the+比较级比较级 , the + 比较级比较级”表示表示“ 越越, 越越 ” 6. 表示不及另一方时，用表示不及另一方时，用“less+原级原级+than” (双音节和多音节词双音节和多音节词)He becomes healthier and healthier.The more you exercise, the healthier you will be.She is less healthy than he.He is healthier than she.Shanghai is becoming more and more modern.Pair Work:A:

23、 Who / Which is, or ? Who writes/speaks/works.?B: B: is/writes/speaks much/a little/eventhan1.比较级比较级 + and +比较级比较级 越来越越来越2.the+比较级比较级 , the + 比较级比较级 越越, 越越 3._you are, _mistakes you will make. (你越仔细，做错的题目就越少） 4. _you eat, _youll be.(你吃得越多,就越胖)5. Alice writes well. Mary writes _ than she. (甚至更好）The m

24、ore carefulthe fewerThe morethe fatter1.The girl becomes _. (越来越漂亮）more and more beautiful2. The weather is getting _. (越来越槽糕）worse and worseeven / still better1.表示三者或三者以上比较表示三者或三者以上比较,可用可用”Which/Who +最高级最高级,or ?”表示表示.2. 最高级最高级+of/among (同类比较同类比较) in (范围比较范围比较)4.one of + 形容词最高级形容词最高级 +名词复数表示名词复数表示“最

25、最 之一之一”3. 序数词修饰最高级序数词修饰最高级形容词和副词的最高级的用法形容词和副词的最高级的用法Who is the tallest, Tom , Mike , or Jack?Tom is the tallest of the three.Mike is the second tallest student in our class.Jack is one of the tallest students in our class.Tom runs (the) fastest in our class. plays/ sings/ acts/ runs. one of the acto

26、rs/runners the second / the thirdYao Ming 2.26mJacken Chen 1.71mJay 1.73mLiu Xiang 1.88m 3. Lin Tao is _ in the class because he never gets to school on time. （最懒的学生之一）（最懒的学生之一）4. Edison was_ in the world. (最伟大的发明家之一）最伟大的发明家之一）one of the laziest studentsone of the greatest inventors1. The Yangtze Ri

27、ver is_ river in the world. (第三长河）第三长河）the third longest2. The Atlantic is _ ocean in the world. ( 第二大洋）第二大洋）the second biggestExercise:一、翻译句子：一、翻译句子：二、同义句转换二、同义句转换 1. Flat A is more expensive than Flat B Flat B is _ _ than Flat A. Flat B is _ _ Flat A. Flat B is not _ _ _ Flat A.2. I prefer maths t

28、o English. I like maths _ English.better than3.He is the tallest student in the class. He is _ in the class.taller than any other studentany other +名词单数名词单数lessexpensivecheaperthanasexpensiveas 1.Hainan is a very large Island .It is the second _ island in china. (large)2.busycarefulhappy6.I think Yao Ming is one of _ basketball players in NBA. (hot)busythe most carefulfartherhappierlargestthe hottest三、完成句子三、完成句子Homework:To write a composition about restaurants by using comparative and superlative degrees of adjectives and adverbs.