2011-2012学年8年级英语(北师大版)上册(含教案和练习)Unit5Relationships(1)一.教学内容:第五单元第一部分初步学会陈述做某事的理由及目的二.教学重点和难点:1.用两个句型表达抱怨某事、某人的方法。2.修饰性副词的使用。3.要点解析。三.具体内容:(一)enough1.enough修饰形容词或副词时必须位于被修饰的词语之后。修饰名词时一般位于其前,也可位于其后。enough后面通常接不定式短语或介词for短语。e.g.Thequestioniseasyenough.Tomdidn’tdohishomeworkcarefullyenough.Thewateriscoolenoughtodrink.Wehaveenoughticketsforallofyou.2.修饰形容词时,如果用于否定句,则否定句在否定enough的同时,也否定了其后的不定式。e.gHeisnotcarefulenoughtodothework.Sheisnotoldenoughtogotoschool.enough如果修饰名词,用于否定句时,不定式没有被否定之意。e.g.Therewerenotenoughpeopletopicktheapples.3.enough也可以做代词,意思是“足够,充足”。e.g.Wehaveenoughtodotocompletetheproject.(二)too…to…too+形容词或副词+(forsb.)+todo表示“太……以至于不能……”,不定式虽然是肯定形式,但与前面的搭配构成了否定的含义。e.g.Thebookistoodifficultforyoutoread.Sheistooshorttocatchtheapplesonthetree.在too…to结构中,too前面用了never这个词,则动词不定式可以把否定变为肯定。e.gIt’snevertoooldtolearn.(三)修饰性副词根据汉语意思,选择恰当的修饰性副词。1.abit,really(1)Thesetrousersaretight.(2)I’msorry.2.rather,atall(1)Shefellandhurtherlegbadly.(2)Theyarenotfriendlytome.3.alittle,extremely(1)Sheisabsent-minded.(2)Maryfounditdifficulttogetajob.通过上面的测试,我们可以得出这样的结论:(1)rather,abit,alittle可减轻形容词的绝对性。(2)really,extremely,quite可起到强化形容词的作用。(3)atall用于否定句加强语气。(四)要点解析及例题1.seem像是,似乎seem+(tobe)+表语seem+to+v.Itseems+(that)从句e.g.ItseemsthatIcan’twin.两种否定式为:Theydon’tseemtolikehim.Theyseemnottolikehim.seem与lookseem暗示有一定根据的判断,这种判断往往接近事实。look着重由视觉得出的印象。例Theretobenoneedtogonow.A.seemsB.looksC.isD.are2.until直到……为止(1)肯定句中与延续动词连用。e.g.IshallstayhereuntilnextSunday.(2)否定句中与短暂性动词连用。e.g.Hedidn’tcomeuntillateinthenight.例Iknewnothingaboutitmyfriendtoldmeyesterday.A.becauseB.sinceC.untilD.so3.Doyoufinditeasytodealwithplansthatchange?finditeasytodealwith…中的it在句中做形式宾语,其真正宾语是后面的动词不定式短语。e.g.Theyfoundithardtowalkthere.例IfinddifficulttolearnEnglishwell.A.itB.thatC.thisD.them4.lonely(1)孤单的,寂寞的,在句中常做表语。e.g.Tomfeelslonelyeveryday.(2)lonely作“荒凉”讲时,常做定语,修饰地点。e.g.Helivesinalonelyvillage.alone独自的,单独的,在句中常作表语。lonely带有强烈的情感色彩,表示因缺少朋友、友谊而产生的一种悲伤和忧郁的感情;而alone只是陈述一个事实,表示一个人。e.g.Hewasaloneintheroom.Iwasalone,butIdon’tfeellonely.ThechildrenoftencometoseeGrandpaZhang,sohedoesn’tfeel.A.aloneB.lonelyC.happyD.happily四.课堂练习。I.根据汉语意思,完成下列句子。1.河水暖和得可以游泳。Theriveristoswim.2.事情太多,我们记不住。Therearemanythingsforusremember.3.餐厅有足够的食物供大家吃。Thereisforeveryoneinthedininghall.4.他不够慷慨,不会借钱给你。Heistolendyoumoney.5.关于这个问题说得已够多了。hasbeensaidonthistopic.II.用too…to…与not…enough…改写同义句1.Heistoolatetocatchupwiththeearlybus.___________________________________________________2.Thequestionistoodifficulttoanswer.___________________________________________________3.Thechildrenaren’toldenoughtoseethathorrormovie._______________________________________...