剑桥少儿英语2级U9--2.ppt

1、MAUnit9SallyistallerthanBen,一.定义：一般用于同类两个人或事物的比较。,形容词比较级,二.形容词比较级结构：一般单音节词，少数双音节词young-youngerold-oldershort-shortertall-tallerlong-longerstrong-strongerweak-weakerquick-quickerfast-fasterslow-slowerloud-louderquiet-quietersmall-smallercold-colderclean-cleanerhigh-higher,形容词比较级,以e结尾的单音节词nice-nicerfi

2、ne-finerlarge-larger,-词尾加r,-词尾+er,三.形容词比较级关键词&用法1.but用法:原级,but+形容词比较级.,形容词比较级,Thisrulerislong,butthatoneislonger.,Todayiscold,buttomorrowiscolder.,Sallysroomisclean,butBens(room)iscleaner.,Thatrulerislongerthanthisone.,Tomorrowiscolderthantoday.,BensroomiscleanerthanSallys(room).,A,原级,B,比较级,B,比较级,A,

3、三.形容词比较级关键词&用法1.but用法:原级,but+形容词比较级.结构：A+be+原级，butB+be+比较级2.than用法：形容词比较级+than结构：B+be+比较级thanAeg.YaoMingistallerthanLiuXiang.,形容词比较级,1.Thismarketissmall,butthatmarketissmaller.,2.Theturtleisslow,butthesnailisslower.,改写句子：,Thatmarketissmallerthanthismarket.,Thesnailisslowerthantheturtle.,3.Thesetrees

4、aretall,butthosetreesaretaller.,Thosetreesaretallerthanthesetrees.,4.Ourclassroomisclean,buttheirclassroomiscleaner.,Theirclassroomiscleanerthanourclassroom.,FredisfatterthanJohn.PaulisthinnerandtallerthanPeter.JohnisshorterthanPeter,buttallerthanFred.Jimisshorterthanalltheothers.FredistallerthanJim

5、,butshorterthanJohn.,Jim,Paul,Fred,Peter,John,1.肯定句：,than引导的形容词比较级的肯定、,否定以及一般疑问句,PaulistallerthanJohn.,2.否定句：,PaulisnttallerthanJohn.,3.一般疑问句：,IsPaultallerthanJohn?,Yes,heis.,4.特殊疑问句:,WhoistallerthanJohn?,LiuYifei,Jim,JimisthinnerthanLiuYifei.,thin,big,Theorangeorangesarebiggerthanthegreenones.,DaLi

6、,Jack,DaLiisfatterthanJack.,fat,形容词比较级结构,以重读闭音节结尾，且末尾只有一个辅音字母的词big-fat-thin-hot-sad-wet-,bigger,thinner,sadder,fatter,hotter,wetter,-双写词尾+er:,bigfatthinhot,用以下词及比较级写句子：,形容词比较级的用法21、两者之间的比较，句中有明显的标志词thanTomisfatterthanJohn.Bbe动词比较级thanA2、Which/Whois+比较级,AorB?isthinner,ColinorWilliam?(选择疑问句)特殊疑问句幻灯片15

7、3、能修饰比较级的副词及短语：much(的多)、alittle(一点儿)Thiscityismuchcleanthanthatone.Todayisalittlehotthanyesterday.,er,ter,Who,以than引导的形容词比较级的特殊疑问句,YaoMingistallerthanLiuXiang.,WhoistallerthanLiuXiang?,LiuYifeishairislongerthanZhouXuns.,WhosehairislongerthanZhouXuns?,Thetigerisquickerthanthecat.,Whichisquickerthanth

8、ecat?,形容词比较级的用法21、两者之间的比较，句中有明显的标志词thanTomisfatterthanJohn.Bbe动词比较级thanA2、Which/Whois+比较级,AorB?isthinner,ColinorWilliam?(选择疑问句)特殊疑问句幻灯片153、能修饰比较级的副词及短语：much(的多)、alittle(一点儿)Thiscityismuchcleanthanthatone.Todayisalittlehotthanyesterday.,er,ter,Who,1.Thisappleissmallthanthatone.2.LuluisfaterthanLili.3

9、.Lilyis155cmtaller.Lucyis148cmtaller.whoistall?4.Imtaller,butheistall.,改错,er,fatter,er,er,W,一.形容词比较级结构以重读闭音节结尾，且末尾只有一个辅音字母的词-双写词尾+er:big-biggerfat-fatterthin-thinnerhot-hottersad-sadderwet-wetter二.形容词比较级的用法21、两者之间的比较，句中有明显的标志词than2、Which/Whois+,AorB?3、能修饰比较级的副词及短语：much(的多)、alittle(一点儿)三.Than引导的形容词比较级的肯定，否定，