八年级第三单元课件.pptx

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1、SectionAPeriod2(3a-3c)Unit32.16mtaller2.05mtall30kgheavier20kgheavymanymoreTheredappleisbig.Thegreenappleis_______theredone.biggerthan￥150,000￥150,000,000Theplaneismoreexpensivethanthecar.Thecarischeaperthantheplane.shorterhappierhappyshortTheboyisshort.Thegirlisshorter.Theboyishappy.Theg

2、irlishappier.70cm50cmHaha…Hahahaha…6yearsold4yearsoldyoungyoungerTheboyisyoung.Thegirlisyounger.ComparePanChangjiangisshorterthanLiuXiang…taller……funnier……heavier……younger……older……stronger……moreoutgoing……moreathletic…LiuXiangPanChangjiangComparepeopleIsTomsmarterthanSam?No,heisn’t.Samissma

3、rterthanTom.IsTaramoreoutgoingthanTina?No,sheisn’t.TinaismoreoutgoingthanTara.Areyouasfriendlyasyoursister?No,I’mnot.I’mfriendlier.DoesTaraworkashardasTina?Yes,shedoes.Who’smorehard-workingatschool?Tinathinkssheworksharderthanme.GrammarFocus形容词、副词的比较级变化:单音节和少数双音节形容词、副词比较级的构成。1)在词尾加-ertall—

4、tallersmart—smartershort—shorterhigh—higherfast---faster形容词、副词的比较级构成GRAMMAR2)以不发音的字母e结尾的，加-rnice—nicerlarge—largerfine—finerlate—later3)重读闭音节以一个辅音字母结尾的，先双写辅音字母，再加-er。big—biggerfat—fatterthin—thinnerhot—hotterwet—wetter4)以辅音字母+y结尾的双音节词，先改y为i，再加-er。happy—happierearly—earlierfunny—funniereas

5、y—easier比较级有规律,词尾加上-er两兄弟;要是以e来结尾,只有小二(r)跟上去;重读闭音节词要牢记,双写千万别忘记;要是“辅音+y”来结尾,小艾(i)要把y来替,再加-er两兄弟;多音节词加上m-o-r-e,你看这样多容易。Chant(口诀)形容词、副词比较级的不规则变化：good–betterbad–worsemany/much-morelittle-lesswell-betterbadly-worsefunnyquietsmartoutgoingfunnierquietersmartermoreoutgoing写出下列形容词的比较级hardquicklyslo

6、wlybrightlyhappilycarefullywellhardermorequicklymoreslowlymorebrightlymorehappilymorecarefullybetter写出下列副词的比较级Usethewordstowritequestionsandanswers.3a1.Julie/tall/youQ:________________________________A:No,sheisn’t.She’s_______thanme.2.Jack/run/fast/SamQ:________________________________A:No

7、,hedoesn’t.Heruns_______thanSam.IsJulieastallasyou?tallerDoesJackrunasfastasSam?faster3.Yourcousin/outgoing/youQ:________________________________A:No,sheisn’t.She’s____________thanme.4.Paul/funny/CarolQ:________________________________A:No,hedoesn’t.He’s______