Unit 3 Same or DifferentSection A Grammar Focus (3a-3c) 课件-2025-2026学年人教版八年级英语上册

SectionAHowarewedifferentfromeachother?GrammarFocus(3a-3c)Unit3SameorDifferent?LearningObjectivesInthislesson,youwill:1.knowtheusageofcomparatives.2.masterthechangerulesofcomparatives.3.usecomparativestocomparetwopeopleortwothings.LookandSayWhorunsfaster,theboyorthegirl?Theboyruns______(fast)thanthegirl.fasterThegirlruns______(slow)thantheboy.slowerWhostudiesharder?Theboyinblueortheboyinwhite?Theboyinwhitestudies______(hard)thantheboyinblue.Theboyinblueis______(lazy).harderlazierWhichdeskismoreorganized?Thedeskontheleftis______________(organized)thanthedeskontheright.moreorganizedThedeskontherightis_______(messy).messierPairWorkCompareyourselfwithyourpartner.Whoarrivesschoolearlier?WhoseEnglishisbetter?Whoismoreoutgoing?Whoisshyer?Whichsubjectismorechallengingforyou?Englishormaths?ThinkandShareThinkoftheexamplesaboveanddiscussthequestionswithyourpartner.Whatdoyounoticeabouttheadjectivesandadverbsintheaboveexamples?Dotheychangeinanyway?Weadd“er/ier”or“more”toadjectivesandadverbs.Whatworddoweusetoconnecttwopeopleorthingsbeingcompared?Weuse“than”.表示两者之间的比较要用到比较级，由“比较级+than”的句型构成，意思是“......比......较为”。3aReadthesentencesandnoticethecomparativesinbold.FindmoreexamplesinSectionA.Therearemoreactivitiesthisyear.Itismorecolourfulthanlastyear.EmmaistallerthanElla,butherhairisshorterthanElla’s.ElladancesbetterthanEmma,butEmmasingslouderthanher.Emmaalwaysgetsupearlierthanme,butIworkashardasher!1.YouplaytheChineseflutebetterthananyoneelseinourmusicclub.2.Butyouworkharder

thanme.3.I’malittlequieterthanElla.Andsheisfunnierthanme.Moreexamples:形容词和副词比较级的构成（1）一般在词尾+ersmall—smaller

young—younger

old—older

smart—smarter

cheap—cheaper（2）以不发音的e结尾的词，在词尾+rnice—nicer

late—later

wide—wider

large—larger（3）以辅音字母+y结尾的词，变y为i，再+erheavy—heavier

busy—busier

easy—easier

dry—drier（4）重读闭音节，且末尾只有一个辅音字母的词，

双写该辅音字母，再+erbig—bigger

hot—hotter

thin—thinner

fat—fatter（5）部分双音节和多音节词，在原级前+more构成比较级slowly—moreslowly

beautiful—morebeautiful

important—moreimportantfamous—morefamous（6）不规则变化good/well—better

bad/badly—worse

many/much—more

little—less

far—further/farther形容词和副词比较级的用法（1）表示A比B更......：A+verb+比较级+than+BMyroomissmallerthanyours.Heworksharderthanbefore.当than前后使用的动词相同时，通常用助动词代替后面的动词。该助动词也可以省略。YouknowmoreaboutyourselfthanI(do).Sherunsfasterthanhe(does).（2）表示A和B哪个更......：Who/Which+verb+比较级，

AorB?Whorunsfaster,LucyorAmy?Whichisbigger,thisoneorthatone?（3）表示越来越......：比较级+and+比较级或moreandmore+原级（多音节和部分双音节词）Theweatherisgettingwarmerandwarmer.Thecityisbecomingmoreandmorebeautiful.（4）表示越......就越......：the+比较级，the+比较级Themoredifficulttheproblemis,themorecarefulweshouldbe.Themoreyouread,thebetteryoudo.（5）表示两者中比较......的一个：the+比较级+ofthetwoHeisthethinnerofthetwo.Thisisthemoreinterestingofthetwobooks.（6）在比较级前有时可加一些修饰语，如much,alot,alittle,still,even等表示强调或加强语气ThebookismuchmoreinterestingthantheoneIreadlastweek.Sheisalittletallerthanhersister,buthersisterisevenmoreoutgoing.“as+形容词或副词原形+as”句型（1）表示两者在某一方面相同时，用“as+形容词或副词

原形+as”的句型Ithinkscienceisasimportantasmaths.TomrunsasfastasJack.（2）表示一方在某一面不及另一方时，用“notas/so+

形容词或副词原形+as”的句型。Itisnotas/sowarmtodayasyesterday.Hedidnotcomeas/soearlyasWangLin.3bUsethewordsinbracketstowritequestionsandanswers.1.Q：IsJulieslimmerthanyou?(Julie/slim/you)A:No,sheisn’t.Sheisasslimasme.2.Q：________________________________?(you/serious/yourcousin)A:No,I’mnot.Iam__________thanheis.Areyoumoreseriousthanyourcousinlessserious3.Q:_____________________?(Tom/smart/Sam)A:No,Idon’tthinkso.IthinkSamisas______asTom.4.Q:___________________________?(Jack/swim/fast/Sally)A:No,hedoesn’t.Heswimsas______asSally.IsTomsmarterthanSamsmartDoesJackswimfasterthanSallyfast3cLookatthechart.ThencompletethesentencestocompareGuangzhouandVancouver.Usethewordsintheboxandthan.FactsPopulation(2024)18.978million0.76millionArea7,436squarekm115squarekmAveragerainfallperyear1,923mm1,475mmAverageJanuarytemperature16℃

5℃AverageJulytemperature31℃

18℃面积年均降水量温哥华largesmallmuchwarmcool1.ThepopulationofVancouverwas________________thatofGuangzhouin2024.2.Inarea,Guangzhouis________________Vancouver.3.Itrains______inGuangzhou_______inVancouver.4.GuangzhouhasapleasanttemperatureinJanuary.Itis__________________VancouverinJanuary.5.Vancouveris_______________GuangzhouinJuly.(much)smallerthan(much)largerthanmore(much)warmerthan(much)coolerthanthanPracticeMoreM