英语人教版八年级上册Unit3 Section-1.ppt

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1、SectionAPeriod1(1a—2d)Unit3shorttallDescriptiveWordsforPeoplethinfatshorthairlonghairquietlyloudlytallthinlonghairquietlyloudlyshorthairheavyshortMatcheachwordwithitsopposite.1a2.16mtaller2.05mtallHeistall.HeistallerHerhairislong.Herhairislonger.Mrs.Zhangisheavy.Mrs.Blackisheavier.MissBla

2、cktall----tallershort---shorter1.9mMr.BlackMr.BlackistallerthanMissBlack.MissBlackisshorterthanMr.Black1.7mComparepeopleyoung---youngerold---olderKayDavidDavidisyoungerthanKay.KayisolderthanDavidfat---fatterthin---thinnerHanHongisfatterthanYaoMing.YaoMingisthinnerthanHanHong.JohnMikemoreou

3、tgoingoutgoingMikeismoreoutgoingthanJohn.形容词、副词的比较级变化规则:1)一般在词尾加-ertall—tallershort—shorterhigh—higherfast---fasterGRAMMAR2)以字母e结尾的词，在词尾加-rnice—nicerlarge—largerfine—finerlate—later3)重读闭音节词,词尾只有一个辅音字母时，先双写该辅音字母，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

4、i，再加-er。happy—happierearly—earlierfunny—funniereasy—easier5)多音节词和部分双音节词，在词前加more.beautiful---morebeautifulinteresting---moreinterestingoutgoing---moreoutgoingclearly---moreclearlymanymore形容词、副词比较级的不规则变化：good/well–betterbad/badly–worsemany/much-morelittle-lessfar-farther/furtherCompareyours

5、elfwithyourpartner.PairWorkYouaretallerthanme,butI’mthinnerthanyou.Youaresmarterthanme,butI’mfunnierthanyou.tallersmarterheavierfunnierthinner…moreoutgoingmorefriendlymorehard-working…比较级的用法：用于两者之间进行比较。比较级的标志：than比较级常用的句型结构(1)“A+be+形容词比较级+than+B”表示“A比B…”如：TomistallerthanKate.Thisroomisbigg

6、erthanthatone.“A+行为动词+副词比较级+than+B”表示“A比B…”如：Igotupearlierthanmymotherthismorning.Herunsfasterthanhisbrother.(3)“特殊疑问词+be+形容词比较级，AorB?”。如：Whichisbigger,theearthorthemoon?(4)“特殊疑问词+行为动词+副词比较级,AorB?”。如：Whodrawsbetter,JennyorDanny?(5)“the+比较级，the+比较级”表示“越……，就越……”。如：Themoreyoueat,thefatteryouw

7、illbe.(6)比较级+and+比较级moreandmore+多音节词原级表示“越来越……”Sheisgettingfatterandfatter.Myschoolisgettingmoreandmorebeautiful.adj.+lyadv.loud------loudlyquiet------quietlyclear------clearlycheap------cheaplyserious-----seriouslytrue------trulycomfortable----comfortablycare