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Unit5Goodmannersenoughto的用法1.“be+adj.+enough+todo”结构常用来描述一个人的品质或能力。该结构可以与so...that...句型互换。例如:Heisstrongenoughtocarrytheheavystone.=Heissostrongthathecancarrytheheavystone.他够强壮,以至于能搬起这块很重的石头。2.enough在句中可以作状语、定语和表语。例如:Thehouseisnotbigenoughforus.这房子对我们来说不够大。(作状语)Haveyougotenoughmoney?你有足够的钱吗?(作定语)Sixbottlesshouldbeenough.六瓶应该够了。(作表语)too...to的用法1.too...to意为“太……而不能……”,该结构表示具有否定意义的结果,否定意义是从too(太,过于)开始的。too后接形容词或副词表示否定的原因,后面的“to+动词原形”表示否定的内容。例如:Thegirlistootiredtowalk.这个女孩太累了,走不动了。2.too...to结构以肯定的形式表达了否定的意义,以简单句的结构表达了复合句的内容,这个结构可转换为so...that...句型,也可以用反义的形容词转换为enoughto结构。例如:Theroomistoosmalltoholdsomanypeople.→Theroomissosmallthatitcan’tholdsomanypeople.→Theroomisn’tbigenoughtoholdsomanypeople.这个房间太小了,容纳不下这么多人。3.too...to结构中,too后的形容词若修饰单数可数名词,需要加不定冠词a/an,放在形容词之后,名词之前。例如:That’stoosmallabagtoholdallthesebooks.那个书包太小了,装不下所有这些书。4.too...to结构中不定式前可加逻辑主语,表示动作的执行者,常由for引出。例如:TheMathsproblemistoohardforthemtoworkout.这个数学题太难了,他们算不出来。5.too...to结构和否定词never或not一起使用时,并不表示否定意义。例如:Oneisnevertoooldtolearn.活到老,学到老。Ⅰ.单项填空(B)1.Heatejustnow.Heisandcan’teatanymore.A.enoughfood;enoughfullB.enoughfood;fullenoughC.foodenough;fullenoughD.foodenough;enoughfull(A)2.Theyoungmaniscarrythatheavybag.A.strongenoughtoB.enoughstrongtoC.notstrongenoughD.strongenough(D)3.—Mum,canIhelpyouwiththecleaning?—Thankyou,dear.Butyouarenow.Youmustwaittillyouare.A.tooyoung;toooldB.tooyoung;enougholdC.soyoung;enougholdD.tooyoung;oldenough(B)4.—HowdoyoulikethefilmKungFuPanda3?—ItisexcitingI’dliketoseeitagain.A.such;thatB.so;thatC.enough;toD.too;to(A)5.Youshouldbeconfidentenoughaspeechinfrontofmanypeople.A.tomakeB.madeC.makingD.makeⅡ.同义句转换,每空一词1.Danielissokindthathealwayshelpshisfriendsinneed.Danieliskindenoughtohelphisfriendsinneed.2.ThegirlwassoluckythatshegotJayChou’ssignature.ThegirlwasluckyenoughtogetJayChou’ssignature.3.TheboxissoheavythatIcan’tcarryit.Theboxistooheavyformetocarry.4.Simon’sgrandfatheristoooldtodriveacar.Simon’sgrandfatherissooldthathecan’tdriveacar.5.Suzywassoyoungthatshecouldn’tunderstandsuchathing.Suzywastooyoungtounderstandsuchathing.