英语人教版八年级上册Unit3 I’m more outgoing than m.ppt

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1、八年级上册形容词和副词的比较级贵港市港北四中甘晶莹形容词和副词的构成规则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—tallersmart—smartershort—shorterhigh—higherfast---faster2)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-erbig—biggerfat—fatterthin—thinnerhot

2、—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—funniereasy—easier不规则变化：good–betterbad–worsemany/much-morelittle-lessfar-farther/furtherwell-betterbadly-worse写出下列形容词的比较级funnierquietersmartermoreoutgoingfunnyquietsmartoutgoing写出

3、下列副词的比较级hardermorequicklymoreslowlymorebrightlymorehappilymorecarefullybetterhardquicklyslowlybrightlyhappilycarefullywell2.05mtall2.16mtallerexampleWangZhizhiistallerthanSunYue.6yearsold4yearsoldshorthappyyoungshorterhappieryoungerTheboyisshort.Thegirlissh

4、orter.Theboyishappy.Thegirlishappier.Theboyisyoung.Thegirlisyounger.￥150,000,000￥150,000Theplaneismoreexpensivethanthecar.Theplaneisdearerthanthecar.Thecarischeaperthantheplane.Giveusareport!eg.Inourgroup,Tomismoreoutgoingthanbefore.Lucyiscalmerthanbefore.G

5、ina’shairislongerthanbefore.总结比较级常用结构：(1)“A+be+(倍数)+形容词比较级+than+B”表示“A比B…”或“A比B…几倍”。TomistallerthanKate.Ourroomisthreetimesbiggerthanyours.(2)“A+实意动词+(倍数)+副词比较级+than+B”表示“A比B…”或“A比B…几倍”。如：Herunsthreetimesfasterthanhisbrother.拓展(1)“the+比较级，the+比较级”表示“越……，越……

6、”。如：Themorecarefulyouare,thefewermistakesyou’llmake.(2)“比较级+and+比较级”表示“越来越……”Itbecomescolderandcolderwhenwintercomes.(3)“特殊疑问词+be+形容词比较级，甲or乙?”。如：Whichisbigger,theearthorthemoon?“特殊疑问词+实意动词+副词比较级，甲or乙?”。如：Whodrawsbetter,JennyorDanny?可以修饰比较级的词，much，alot，far，

7、…的多，alittle，abit(一点儿)，even(甚至)，still(仍然)。如：LessonOneismucheasierthanLessonTwo.Thistrainrunsmuchfasterthanthatone.原级比较as+形容词/副词原级+as表示“如……一样……”TomisastallasI.汤姆和我一样高not+as/so+形容词/副词原级+as”表示“……不如……”。Thisroomisnotas/sobigasthatone.练一练1.---Dad,howcanIgetonwellw

8、ithmyclassmates?---Trytobefriendlytothem.Thatwillmakeitmuch______.A.easilyB.moreeasilyC.easyD.easier2.---Thecakeistooexpensive.Wouldyouliketoshowmea______one?---Sure.Hereyouare.A.cheapB.cheaperC.cheape