Unit4A3Grammarfocus.ppt

,形容词比较级和最高级的构成规则变化一般情况下，单音节或双音节的形容词比较级直接加-er,最高级直接加-est。如：clevercleverercleverestcheapcheapercheapestfewfewerfewestsmallsmallersmallestyoungyoungeryoungest,b.以-e结尾的形容词，比较级+-r,最高级+-st。如：largelargerlargestnicenicernicestcutecutercutestc.以辅音字母+y结尾的形容词，变y为i+er或+est。busybusierbusiestheavyheavierheaviesteasyeasiereasiesthappyhappierhappiestdirtydirtierdirtiest,d.以重读闭音节结尾，末尾只有一个辅音字母结尾的词，双写最后一个辅音字母，再加+er或+est。如：bigbiggerbiggestthinthinnerthinnestfatfatterfattesthothotterhotteste.多音节和部分双音节形容词，需在原级前+more构成比较级，+most构成最高级。如：importantmoreimportantmostimportantbeautifulmorebeautifulmostbeautifuldifficultmoredifficultmostdifficult,最高级规则变化口诀：,最高级，很容易，一般词尾加est。(cheap-thecheapest)词尾若有哑音e,直接就加st。(close-theclosest)重读闭音节，单辅音字母要双写。(big-thebiggest)辅音字母加y,记得把y变为i。(friendly-thefriendliest)多音节，考考你，themost到底加哪里？(popular-themostpopular),3.不规则变化：,Grammar,1.A+be+the形容词最较级+表示范围的介词词组,e.g.DreamClothesistheworstintown.,表示“三者（或以上）中最的”的句型：,梦想服装店是镇里最差的。,2.A+动词+(the)副词最高级+（表示范围的介词词组）,e.g.TheDJschoosesongsthemostcarefully.,音乐主持人选择音乐最细致。,1.表示三者或三者以上比较,可用”Which/Who+最高级,or?”表示.,2.最高级+of/among(同类比较)in(范围比较),4.oneof+,形容词最高级,+名词复数表示“最之一”,3.序数词修饰最高级,形容词和副词的最高级的用法,Whoisthetallest,Tom,Mike,orJack?,Tomisthetallestofthethree.,Mikeisthesecondtalleststudentinourclass.,Jackisoneofthetalleststudentsinourclass.,Tomruns(the)fastestinourclass.,1.Whatisthe_(最好的电影院)togoto?2.TownCinema.Itsthe_(离家最近).,Grammarfocus,closesttohome,bestmovietheater,根据课本内容，完成下列句子。,3.Andyoucanbuytickets_(最快地)there.4.Whichis_(最差的)clothesstoreintown?5.DreamClothes.Its_(差一些)BlueMoon.,themost,quickly,theworst,worsethan,6.Ithas_(最差的服务).7.Whatdoyou_(认为)970AM?8.Ithink970AMis_(十分差).Ithas_(最差的音乐).,theworstservice,thinkof,prettybad,theworstmusic,3a,Practice,Fillintheblankswiththecorrectformsofthewordsinbrackets.,1.Wewenttothe_(bad)restaurantintownlastnight.Themenuhadonly10dishesandtheservicewasnotgoodatall!2.BlueMoonis_(good),butMillersis_(good)intown.,better,worst,thebest,3.TheBigScreenis_(expensive)thanmostcinemas,butCinemaCityis_(expensive).4.MovieCityhasthe_(bad)service,butwecansitthe_(comfortably)there.,moreexpensive,themostexpensive,worst,mostcomfortably,5.JohnnyDeppactedthe_(good)inthatmovie.Hesmuch_(good)thanotheractorsatfindingthe_(interesting)roles.,better,best,themostinteresting,3b,Thinkofthreestoresthatsellsimilarthingsinyourtownandfillinthechart.Thenwritesixsentencesusingtheinformationinthechart.,PinkRose,NewWorld,FunkyHouse,GoodFriends,BargainHouse,NewFashion,1.NewWorldhasthebestserviceintown.2._3._4._5._6._,FunkyHousehasthebestqualityintown.,PinkHousehastheworstserviceintown.,Goodfriendshastheworstqualityintown.,BargainHouseisthecheapestintown.,NewFashionisthemostexpensiveintown.,3.LinTaois_intheclassbecausehenevergetstoschoolontime.（最懒的学生之一）4.Edisonwas_intheworld.(最伟大的发明家之一）,oneofthelazieststudents,oneofthegreatestinventors,TheYangtzeRiveris_riverintheworld.(第三长河）,thethirdlongest,2.TheYellowRiverisriverinChina.(第二长河）,thesecondlongest,Exercise:,一、翻译句子：,大西洋,二、同义句转换,1.FlatAismoreexpensivethanFlatBFlatBis_thanFlatA.FlatBis_FlatA.FlatBisnot_FlatA.,2.IprefermathstoEnglish.Ilikemaths_English.,betterthan,3.Heisthetalleststudentintheclass.Heis_intheclass.,tallerthananyotherstudent,anyother+名词单数,less,expensive,cheaper,than,as,expensive,as,1.HainanisaverylargeIsland.Itisthesecond_islandinchina.(large)2.Ourteacherisas_asbefore.(busy).3.Heis_ofus.(careful)4.LiLeijumpedfar_thanJim.(far)5.Thebusierheis,the_hefeels.(happy)6.IthinkYaoMingisoneof_basketballplayersinNBA.(hot),busy,themostcareful,farther,happier,largest,thehottest,三、完成句子,1.比较级+and+比较级越来越2.the+比较级,the+比较级越,越,3._youare,_mistakesyouwillmake.(你越仔细，做错的题目就越少）4._youeat,_youllbe.(你吃得越多,就越胖)5.Alicewriteswell.Marywrites_thanshe.(甚至更好）,Themorecareful,thefewer,Themore,thefatter,1.Thegirlbecomes_.(越来越漂亮）,moreandmorebeautiful,2.Theweatherisgetting_.(越来越槽糕）,worseandworse,even/stillbetter,1.Lilyis_(early)thanLucy.2.Whogoes_(slowly),TomorJim?3.Thisbookis_(interesting)thanthatone.,earlier,moreslowly,moreinteresting,Exercises,用所给单词的适当形式填空。,4.Sheis_(careful)inherschool.5.Whois_(late)Jim,TomorJack?6.Ithinkbeefnoodlesis_(delicious)ofall.,themostcareful,thelatest,themostdelicious,Homework,A:Whoisthestudentinourclass?B:,(thesmartest,thetallest,theheaviest,thefriendliest,thethinnest,themostbeautiful,thebusiest,thefunniest,themostpopular),班级之最,Inourclass,whoisthefunnieststudent?Inourclass,whoisthemostseriousstudent?Inourclass,whoisthetalleststudent?Inallthesubjects,whichisthemostinterestingsubject?Inallthesubjects,whichisthemostdifficultsubject?,Lead-in,回答下列问题：,1.Whosthetallestinyourclass?2.Whichistheworstclothesstore?3.Whichisthebestclothesstore?4.Whichradiostationplaysthemostboringsongs?5.Whichradiostationplaysthebestsongs?6.Whichcinemahasthemostcomfortableseats?,用法：英语中三者或三者以上相比较，表示“最”这样的最高程度概念时，要用“the+最高级”的结构表示。这种句式一般带有表示比较的介词短语，比如:inourclass,ofthethree等。例如：WangLinisthetallestinourclass.Thistheateristhecheapestofthethree.注意使用最高级时应注意以下几点：,形容词的最高级,(1)表示“最之一”的句式，要用oneofthe+形容词最高级+复数名词。例如：JingjiangHotelisoneofthebi