八年级(上)it!forGoUnit3Iammoreoutgoingthanmysister.SectionAGramma
rFocus学习目标Keysentences:1.IsTaramoreoutgoingthanTina？No，s
heisn''t.TinaismoreoutgoingthanTara.2.DoesTaraworkasha
rdasTina？Yes,shedoes.3.Whoissmarter，yourmotheroryourfat
her？Ithinkmymotherissmarterthanmyfather.Thecomparative
formsofadjectivesandadverbs.形容词的原级和比较级1.什么是形容词的原级？表示修饰两种东西的程
度是一样的,用as….as表示原级，译为:“和…一样”。2.什么是形容词的比较级？表示两者相比，一个比另一个更…，有比较级的句中有
than,且仅限于两者比较。形容词的原级和比较级1.形容词的原级形容词的原形。2.形容词的比较级表示两者相比，一个比另一个
更……，有比较级的句中有than,且仅限于两者比较。原级Thistreeisas____asthattree.tal
lbigThegreenbagisas____asthered.longThispenisas____as
thatpen.比较级YaomingJordan226cm198cmtallertallJordanistall.Y
aoMingisJordan.tallerthancheaperche
ap￥20￥30Thepinkdressischeap.Theblackdressis___________t
hepinkone.cheaperthan当两个人或两件事物进行比较时，形容词和副词要用比较级，也就是词尾-er形式，比较
级常常用than来连接被比较的两个人或事物。e.g.Iamshorterthanyou.Tbig.Thegreena
ppleis_______theredone.biggerthan一、句子结构:1.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+Be.g.I’mtallerthanyou.Youa
rethinnerthanme.Thisrulerislongerthanthatone.B1.He’s__
__thanhisbrother.strongB.strongerC.thestron
gerD.thestrongest2.Healthis____inportantthanmoney.Amo
reB.muchC.mostD.the2.副词比较级常用的句型结构：
“A+动词+副词比较级+than+B”。e.g.Igotupearlierthanmymother
thismorning.我今天早晨起床比我妈妈还早。TinasingsmoreloudlythanTara。Tina
比Tara唱得更大声。1.—Ann,IamworriedI’mgettingfatter.Whatshall
Ido?—Ithinkyoushouldeat foodanddomoreexercise. A.mo
re B.less C.much D.littleBC2.Leesang_____thanothersingersi
nthesingingcompetionandhewonthefirstprize. A.good B.wel
l C.better D.best二、形容词、副词比较级的变化规则: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。
big—biggerfat—fatterthin—thinnerred—redderhot—ho
tterwet—wetter4)以辅音字母+y结尾的双音节词，先改y为i，再加-er。happy—happierearl
y—earlierfunny—funniereasy—easier5)多音节词和部分双音节词要在前面加moreimp
ortant—moreimportantdelicious—moredeliciousexpensive—mor
eexpensiveoutgoing—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。请写出下列各词的比较级的正确形式。quiter1.quiet_________?2.t
all____________?taller3.?easy___________easier4.funny_________?f
unnier5.friendly_________friendlier6.beautiful______________?mor
ebeautiful7.outgoing_______moreoutgoing8.different_________more
different三、形容词、副词比较级的不规则变化:good–betterwell–betterbad–
worsebadly–worse?many/much–more?little–less?far–far
ther/further注：需一一记住典型的不规则词1.Ifyouwanttobethinnerandhe
althier,you’dbettereat____foodandtake____exercise.Dmore,
fewerB.more,lessC.fewer,moreD.less,more2.Which
doyoulike____,teaorcoffee?BgoodB.betterC.be
stD.thebetter同级比较Thepinkbagisas____asthepurp
leone.bigfastLinglingrunsas_______asLiLei.一、句型:肯定句：Tara
isasfriendlyasTina.Tara和Tina一样友好。TaraworksashardasTi
na.Tara工作和Tina一样努力。as…as…和……一样表示修饰的两种东西的程度是一样的。否定句：Lilyis
notso/astallasMary.莉莉不如玛丽高。(莉莉比玛丽矮。)Taradoesn’tworkso/a
shardasTina.Tara工作不如Tina努力。(Tina工作比Tara更努力。)notas/so…
as…不如、比不上……表示前者不如、比不上后者。二、句子结构:(以as…as为例)1.形容词同级比较常用的句型结构(A
和B比较)：A+be动词+as+形容词的原级+as+Be.g.Sheisasquietasyou.
Youareasthinasyoursister.Thisrulerisaslongasthaton
e.2.副词同级比较常用的句型结构(A和B比较)：A+动词+as+副词的原级+as+Be.g.Peter
runsasslowlyasTony.TaraworksashardasTina.一些带有as...a
s结构的常见短语归纳：asbusyasabee像蜜蜂一样忙碌aseasyasABC像ABC一样容易asdeep
asawell像井一样深aslightasafeather像羽毛一样轻assoftasbutter像黄油一样软
asrichasaJew像犹太人一样富裕15kgheavy20kgheaviermanymoreUsethewor
dstowritequestionsandanswers.3a1.Julie/tall/youQ:_____
___________________________A:No,sheisn’t.She’s_______than
me.2.Jack/run/fast/SamQ:________________________________A
:No,hedoesn’t.Heruns_______thanSam.IsJulieastallasyo
u?tallerDoesJackrunasfastasSam?faster3.Yourcousin/out
going/youQ:________________________________A:No,sheisn’t.
She’s____________thanme.4.Paul/funny/CarolQ:__________
______________________A:No,hedoesn’t.He’s_______thanCarol
.Isyourcousinasoutgoingasyou?moreoutgoingIsPaulasfunn
yasCarol?funnierCompareyourparents.Check(√)whoissmarte
r,funnier,etc.inthechart.Thenaskyourpartnerabouthis/he
rparents.3cA:Whoissmarter,yourmotheroryourfather?B:Ith
inkmymotherissmarterthanmyfather.GuessingDescribeoneofy
ourclassmates,andthenletotherstudentsguesswhohe/sheis
.Sheistallerthanme.Shehaslongerhairthanme.Shewearsglasses/abluejacket…Whoisshe?RhymeGood,better,bestGood,better,best,Neverletitrest,Tillgoodisbetter,Andbetterisbest.Summary1.形容词、副词的比较级变化规则、不规则变化2.同级比较as…as…notas/so…as…HomeworkWritedownthesameanddifferentbetweenyouandafriend.Thankyou,everyone!Bye-Bye |
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