江蘇省揚中市同德中學(xué)八年級英語上冊 8A Unit 1 Friends課件3

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1、fastfasterthe fastestThe white dog is very happy.The first pig is quite fat.The second pig is much fatter.The third pig is the fattest of all.1.We use comparatives to compare two people or things when we see in the sentence2.We use superlatives to compare three or more people or things when we see t

2、han,much,even,still,a little,of the two,Which/Who is,A or B?etc.the,of,in,Which/Who is,A,B or C?etc.We add the before the superlatives.引導(dǎo)學(xué)生回歸課本，通過對例句引導(dǎo)學(xué)生回歸課本，通過對例句的學(xué)習(xí)和研究，探究出一定的規(guī)的學(xué)習(xí)和研究，探究出一定的規(guī)律，培養(yǎng)自主學(xué)習(xí)的意識。律，培養(yǎng)自主學(xué)習(xí)的意識。構(gòu)成方法原級比較級最高級longfewcheaplongerfewercheaperlongestfewestcheapestnicesafelatenicersafer

3、laternicestsafestlatestbighotthinbiggerhotterthinnerbiggesthottestthinnestprettyunhappyheavyprettierunhappierheavierprettiestunhappiestheaviest大部分單音節(jié)詞大部分單音節(jié)詞在詞尾加在詞尾加-er或或-est以字母以字母e結(jié)尾的詞，結(jié)尾的詞，加加-r或或-st重讀閉音節(jié)詞只有重讀閉音節(jié)詞只有一個輔音字母時，一個輔音字母時，應(yīng)先雙寫輔音字母，應(yīng)先雙寫輔音字母，再加再加-er或或-est以輔音字母以輔音字母+y結(jié)結(jié)尾的雙音節(jié)詞，尾的雙音節(jié)詞，先改先改“y”為為

4、“i”,再加再加-er或或-est構(gòu)成方法原級比較級最高級nervousclearlydangerousfrightenedmore nervousmore clearlymore dangerousmore frightenedmost nervousmost clearlymost dangerousmost frightened不規(guī)則變法good/wellbetterbestbad/badly/illworseworstmany/muchmoremostlittlelessleastfarfarther（更遠的）（更遠的）farthestfurther（進一步的）（進一步的）furthe

5、stoldolder/elderoldest/eldest部分雙音節(jié)部分雙音節(jié)詞和多音節(jié)詞和多音節(jié)詞在前面加詞在前面加more或或most(Short adjectives are adjectives of one or two syllables(音節(jié)音節(jié)).Long adjectives are adjectives of three or more syllables.)We add-er/-est to short adjectives.We use more/most for long adjectives.adjectivecomparativesuperlativefunnyg

6、oodhappyinterestinglargesmartthin.funnierfunniesthappierhappiestmore interesting most interestinglargerlargestsmartersmartestthinnerthinnestbetterbestComplete the table完成書上的練習(xí)，自主檢測。完成書上的練習(xí)，自主檢測。Each member of a group should read and spell the comparative and superlative of an adjective below.The gro

7、up that can do it correctly and most quickly will be the winner!1.light old healthy cheerful 2.safe thirsty slim bad 3.bright new much bored 4.sad heavy straight clearly MillieSandyAmyPeterKittySimonHeight(cm)150160145168150158Weight(kg)444540494048Swimming(sec/50m)403830343632Drawing competition9/1

8、010/105/105/106/108/10English test10/108/109/106/108/107/101.Simon is _(tall)Kitty.2.Peter is _(tall)student of the six students.3.Sandy is _(heavy)Millie.4.Peter is _(heavy)student of the six students.5.Millie is _(slow)swimmer of the six students.taller thanthe tallestheavier thanthe heaviestthe s

9、lowest6.Amy is _(fast)swimmer of the six students.7.Millies drawing is _(beautiful)Simons.8.Sandys drawing is _(beautiful)in the drawing competition.9.Millies English is _(good)Amys.Millies English is _(good).more beautiful thanthe most beautifulthe fastestbetter thanthe bestWhich would you like to

10、talk about?Or maybe you would like to talk about the people in this classroom?clever strong fast noisyexciting interesting dangerousdelicious sweet healthyhelpful smart generous humourousmuch+er er than the est of the three/of all/in ones.Which/Who is er,A or B?Which/Who is the est,A,B or C?()1.My m

11、other is _ in our family.A.busiest B.the busiest C.busier D.busy()2.This apple is _ of all.A.redder B.the redest C.the reddest D.reddest()3.Which pen is _,this one or that one?A.dear B.dearest C.the dearest D.dearer()4.Kate is _ than all the other girls.She is _ of all.A.taller,tallest B.taller,the

12、tallest C.the tallest,tallest D.tallest,the tallest()5._ of the two men is my uncle.A.The older B.Old C.The oldest D.Oldest BCDBAMultiple Choice1.格林先生是這四個人當(dāng)中最高最胖的。格林先生是這四個人當(dāng)中最高最胖的。Mr Green is _ and _.2.小香蕉往往比大香蕉好。小香蕉往往比大香蕉好。Small bananas are often _.3.我的鉛筆比你的短得多。我的鉛筆比你的短得多。My pencil is _.4.在中國，哪一條河流

13、最長？在中國，哪一條河流最長？Which river is _ in China?5.他的觀點比我的新。他的觀點比我的新。His idea is _.the tallestfattest of the fourbetter than big onesmuch shorter than yoursthe longestnewer than mineTranslation Good,better,best,Never let it rest,And till good is better,Better is best.!改錯改錯A.Comparatives(比較級比較級)We use them t

14、o compare _ things/people and add _ after them.B.Superlatives(最高級最高級)We use them to compare _ things/people andadd _ or _ before them.twothanthree or morethe ones A.Comparatives(比較級比較級)比較級用于比較比較級用于比較兩個兩個人人/事物事物;比較比較級后通常出現(xiàn)級后通常出現(xiàn)”than”.B.Superlatives(最高級最高級)最高級通常用語比較最高級通常用語比較三個或三個三個或三個以上以上人人/事物事物;最高級前

15、要用最高級前要用the或或ones連接連接￥1.50￥1.00￥0.80cheapcheaper cheapestRule 1:_ 單音節(jié)詞或部分雙音節(jié)詞單音節(jié)詞或部分雙音節(jié)詞一般在詞尾加一般在詞尾加-erer或或-estestnicenicernicestRule 2:_以以e e結(jié)尾的詞直接加結(jié)尾的詞直接加-r-r或或-ststheavy heavierheaviest50kg100kg200kgRule 3:_ 以輔音字母以輔音字母+y+y結(jié)尾的雙音結(jié)尾的雙音節(jié)詞節(jié)詞,變變y y為為i,i,再再+erer或或+estestbigbiggerbiggest50kgRule 4:_ 一般情況

16、下一般情況下,以輔元輔結(jié)尾以輔元輔結(jié)尾的形容詞的形容詞,要雙寫最后一個字母要雙寫最后一個字母,再再+erer或或+estestbeautifulmore beautifulmost beautifulRule 5:_ 多音節(jié)詞和部分雙音節(jié)詞多音節(jié)詞和部分雙音節(jié)詞,在該形容詞原形前加在該形容詞原形前加moremore或或mostmost*一般情況下，以一般情況下，以-ly或或-ed結(jié)尾的結(jié)尾的adj.v以形容詞以形容詞+lyly結(jié)尾的副詞結(jié)尾的副詞 比較級用比較級用more more 最高級用最高級用mostmost slowly-more slowly-most slowly quickly-

17、more quickly-most quickly carefully-more carefully most nicely more nicely most nicely quietly-more quietly most quietlyRule 6:AdjectiveComparative Superlative1.funny2.good3.happy4.interesting5.large6.smart7.thinfunnierfunniestbetterbesthappierhappiestmore interesting most interestinglargerlargestsm

18、artersmartestthinnerthinnestadj./adv.比較級用法比較級用法1.表一方表一方超過超過另一方用另一方用“比較級比較級+than”2.表一方隨另一方變化而變化表一方隨另一方變化而變化(越越,越越):“the+比較級比較級(+主主+謂謂),the+比較級比較級(+主主+謂謂)”eg.1)越高越壞。越高越壞。2)越晚越危險。越晚越危險。The higher,the worse.The later,the more dangerous.adj./adv.比較級用法比較級用法3.表本身程度變化表本身程度變化(越來越越來越):比較級比較級+and+比較級比較級eg.1)他的

19、鞋子越來越臟。他的鞋子越來越臟。2)衣服越來越貴。衣服越來越貴。3)她們跳得越來越美。她們跳得越來越美。His shoes are dirtier and dirtier.more+and more+原級原級 只用于以只用于以“moremore”構(gòu)成比較級的詞構(gòu)成比較級的詞Clothes are more and more expensive.They dance more and more beautifully.adj./adv.比較級用法比較級用法4.“the+比較級比較級+of 兩者兩者”表示表示“在兩者中較在兩者中較”eg.Lily is _ (short)of the two gi

20、rls.the shorter5.為免重復(fù)為免重復(fù)，在在than后常用后常用one(s),that,those等詞來替代前面提到過的名詞等詞來替代前面提到過的名詞。eg.The weather there is better than _ in Nanjing.A.one B.it C.that D.thoseadj./adv.比較級用法比較級用法6.在比較級前可用在比較級前可用 much,even,a little,a lot等來修飾等來修飾eg.Now the air in our hometown is _ than it was before.A.much better B.more

21、worse C.more better D.much worsteg.He ran even _ (happy)at that time.more happilyadj./adv.比較級用法比較級用法7.同義句：同義句：比較級比較級+than any other+單數(shù)單數(shù)名詞名詞 =比較級比較級+than the other+復(fù)數(shù)復(fù)數(shù)名詞名詞 =最高級最高級+范圍范圍eg.Spring is the best season of the year.=Spring is better _ _ _ season of the year.=Spring is better _ _ _ seasons

22、 of the year.thananyotherthantheotheradj./adv.最高級用法最高級用法1.三者或以上相比三者或以上相比,表示最高程度用表示最高程度用“the +最高級最高級”adv.最高級可最高級可省略省略the*最高級后常有介詞短語最高級后常有介詞短語(of/among/in)來表示范圍。來表示范圍。adj.最高級也可最高級也可用用ones替代替代theadj./adv.最高級用法最高級用法2.one of+the+最高級最高級+復(fù)數(shù)復(fù)數(shù)名詞名詞表示表示“最最之一之一”eg.The hair clip is one of _(pretty)among those o

23、nes.He was one of _(fast)_(swim)of all.the prettiestthe fastestswimmerseg.Changjiang is shorter than Huanghe,but longer than the other rivers in China.=Changjiang is _ _ _ river in China.adj./adv.最高級用法最高級用法4.the second/third/fourth+最高級最高級表示表示“第幾第幾”eg.Millie is the third _(tall)in her class.tallestthesecondlongestRevise the use of adjectives,Revise the use of adjectives,comparatives and paratives and superlatives.Complete the exercises in the Complete the exercises in the workbook.workbook.