八上Unit3-Section-A-2VIP专享VIP免费

SectionAPeriod2(3a-3c)Unit32.16mtaller2.05mtall30kgheavier20kgheavymanymore当我们形容人或事物，常用形容词来修饰。那么要比较两个人或事物，就会用到形容词的比较级。e.g.Tomisshort.Jackisshort.ButJackisshorterthanTom.Sentencepattern形容词比较级常用的句型结构(A和B比较)：A+be动词+形容词的比较级+than+B如：I’mtallerthanyou.Youarethinnerthanme.Thisrulerislongerthanthatone.副词比较级常用的句型结构：“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：Igotupearlierthanmymotherthismorning.我今天早晨起床比我妈妈还早。Herunsthreetimesfasterthanhisbrother.他跑的速度比他弟弟快三倍。形容词、副词的比较级变化:1.单音节和少数双音节形容词、副词比较级的构成。不规则变化：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-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—thinnerred—redderhot—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—easier5)多音节词和部分双音节词要在前面加moreimportant—moreimportantdelicious—moredeliciousexpensive—moreexpensiveoutgoing—moreoutgoingtired—moretiredserious—moreseriousslowly---moreslowly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。2.形容词、副词比较级的不规则变化：good–betterbad–worsemany/much-morelittle-lessfar-farther/furtherwell-betterbadly-worseBetterlaterthannever.Facts(事实）speakslouderthanwords.Enoughisbetterthantoomuch.Twoheadsarebetterthanone.亡羊补牢，犹未晚矣。事实胜于雄辩。知足常乐。三个臭皮匠顶个诸葛亮。英语谚语中的比较级funnyquietsmartoutgoingfunnierquietersmartermoreoutgoing写出下列形容词的比较级hardquicklyslowlybrightlyhappilycarefullywellhardermorequicklymoreslowlymorebrightlymorehappilymorecarefullybetter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,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_______thanCarol.Isyourcousinasoutgoingasyou?moreoutgoingIsPaulasfunnyasCarol?funnier3bThinkofyourselftwoyearsago.Writeabouthowyouaredifferentnow.1.Areyoutaller?____________________________________________________________________________2.Areyoufunnier?______________________________________Yes,Iam.I’mtallernowthanIwastwoyearsago.3.Areyoumoreoutgoing?______________________________________4.DoyoustudyEnglishharder?______________________________________5.Doyousingbetter?______________________________________完成句子1.这个盒子比那个重。Thisboxis_____________thatone.2.你下次一定要做得更好。Youmust__________nexttime.3.他学习比他的哥哥努力得多。Hestudies__________________hisbrother.4....