人教新目标八上Unit3SectionA-2课件VIP免费

SectionAPeriod2(3a-3c)Unit32.16mtaller2.05mtall30kgheavier20kgheavymanymoreshorterhappierhappyshortTheboyisshort.Thegirlisshorter.Theboyishappy.Thegirlishappier.70cm50cmHaha…Hahahaha…6yearsold4yearsoldyoungyoungerTheboyisyoung.Thegirlisyounger.Compare￥150,000￥150,000,000Theplaneismoreexpensivethanthecar.Theplaneisdearerthanthecar.Thecarischeaperthantheplane.Iam…than…My…is(are)…than…Workinpairs.Talkaboutyouradvantageordisadvantage.IsTomsmarterthanSam?No,heisn’t.SamissmarterthanTom.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—tallersmart—smartershort—shorterhigh—higherfast---faster形容词、副词的比较级构成2)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。3)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—funniereasy—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。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。形容词、副词比较级的不规则变化：good–betterbad–worsemany/much-morelittle-lessfar-farther/furtherwell-betterbadly-worsefunnyquietsmartoutgoingfunnierquietersmartermoreoutgoing写出下列形容词的比较级hardquicklyslowlybrightlyhappilycarefullywellhardermorequicklymoreslowlymorebrightlymorehappilymorecarefullybetter写出下列副词的比较级1.原级常用的句型结构(1)“甲+be+(倍数)+as+形容词原级+as+乙”表示“甲和乙程度相同”或“甲是乙的几倍”。如：TomisasoldasKate.TomistwiceasoldasKate.“甲+实意动词+(倍数)+as+副词原级+as+乙”表示“甲和乙程度相同”或“甲是乙的几倍”。如：TomrunsasfastasMike.TomrunstwiceasfastasMike.(2)“甲+be+not+as/so+形容词原级+as+乙”表示“甲不如乙…”。如：Thisroomisnotas/sobigasthatone.“甲+助动词+not+动词原形+as/so+副词原级+as+乙”表示“甲不如乙…”。如：Hedoesn’twalkasslowlyasyou.比较级的用法1.可以修饰比较级的词，much，alot，far，…的多，alittle，abit(一点儿)，even(甚至)，still(仍然)。如：LessonOneismucheasierthanLessonTwo.Tomlooksevenyoungerthanbefore.Thistrainrunsmuchfasterthanthatone.2.比较级常用的句型结构(1)“甲+be+(倍数)+形容词比较级+than+乙”表示“甲比乙…”或“甲比乙…几倍”。如：TomistallerthanKate.Thisroomisthreetimesbiggerthanthatone.“甲+实意动词+(倍数)+副词比较级+than+乙”表示“甲比乙…”或“甲比乙…几倍”。如：Igotupearlierthanmymotherthismorning.Herunsthreetimesfasterthanhisbrother.(2)“the+比较级，the+比较级”表示“越……，越……”。如：Themorecarefulyouare,thefewermistakesyou’llmake.(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?1.---Dad,howcanIgetonwellwithmyclassmates?---Trytobefriendlytothem.Thatwillmakeitmuch______.A.easilyB.moreeasilyC.easyD...