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1、7BUnit4Amazingthings第四课时导学案BUnit4Aazingthings第四课时导学案BUnit4Aazingthings【教学目标】熟练掌握下列词汇：crazy,guide,fond,pity,dodo,die,frog,poisonous,factsheet,dinosaur,ago,appear,scientist,eigh,ilogra,grass,lay,bar。了解一般过去时的构成及用法。根据情境正确使用一般过去时谈论过去的事件。【旧知回顾】根据中文提示完成下列句子。他向四周看了看，但任何人也没有看见。He_butdidnt_.他在回家的路上发现了只小狗，然后他把
2、它带回家。Hefoundadog_,thenhe_it_.他们听见了异常的情况，非常害怕。They_anderevery_.他现在肯定声音来自灌木丛。Heasno_thesound_the_.当它喵喵叫时，发出像低语一样的声音。henit_,it_a_a_.他们很惊讶地发现那是一只可爱的小猫。They_thatasalovelycat.【课前预习】xb1.一、认真在书本上找出下列词组和句子并翻译。lastSundayorning_2.yesterdayafternoon_beeinterestedin_4.finditinteresting_liveonland_6.hatapity!_The
3、lastdododiedin1681._8.Theyarebeautifulbutpoisonous._betiredafterthevisit_10.giveeachofusafactsheet_1.oneofthesallestdinosaurs_12.eighover100ilogras_3.Thefirstdinosaursappearedabout230illionyearsago._二、试着在书本上找出下列动词的过去式并背诵。al_ic_anser_catch_read_live_carry_start_visit_appear_cry_play_cost_get_eigh_sto
4、p_use_no_give_eat_search_love_spend_die_lay_【语法小贴士】一般过去时表示过去某个时间发生的动作或存在的状态。常和表示过去的时间状语连用。如：lastyear,yesterday等；也可表示过去经常反复发生的动作，常和often,alays等频率副词连用。例如：Isahiinthestreetyesterday.Lieialaysenttoschoolonfootlastyear.一、动词过去式的构成：规则动词过去式的构成：直接加-ed。如：loo_。以不发音的字母e结尾的动词，加-d。如：live_。末尾只有一个辅音字母的重读闭音节，先双写这个辅音字
5、母，再加-ed。如：stop_。末尾是辅音字母+y结尾的动词，先变y为i，然后再加-ed。如：study_。不规则动词的过去式需特殊记忆。二、.一般过去时的几种句型肯定句结构为：主语+动词的过去式+其它。如：He_tothetoystoreyesterday.他昨天去玩具店了。否定句结构为：主语+didnot+动词原形+其它。如：He_tothetoystoreyesterday.他昨天没去玩具店。一般过去时的一般疑问句的构成：Did+主语动词原形其它？如：_you_lastsuer?-No,I_.一般过去时的特殊疑问句的构成：疑问词did+主语动词原形其它？如：-hat_you_lastni
6、ght?-Ididyhoeor.【教学过程】xb1.Revision.Assstoretellthestory,usingthesiplepasttense.Introducethesiplepasttense.Talaboutthepastforsofdifferentverbs.Finishtheexercisesintheboo.Introducethesiplepasttenseith“tobe”.Finishtheexercisesintheboo.Dosoeoreexercises.【巩固练习】一、根据首字母或中文提示写出下列单词。henyaoinga_,theyoungpeopl
7、eereallexcited.I_onlytoilograshenIasborn.Heasverysic.H_,heenttoschoolasusual.Itsap_thatIissedsuchagoodfil.youngothersshouldlearnhototaecareofb_.yuanLongpingandyangZhenningareboth_.Ireadsoeaazingthingsabout_today.Ifyouloseyourayintheuseu,youcanasthe_forhelp.Thatducalost_eggseveryday.0、Hisgrandfather_
8、threeyearsago.二、用所给单词的适当形式填空。-here_youlastSunday?-I_athoe.He_theboxtotheparandputitunderabigtree.Heoften_toschool,butlasteehe_abus.Theplaneticet_hieighthundredyuan,didntit?She_soeseetsfrothenearbyshopjustno.Dontgetclosetotheanial.Itsvery_.youshouldreadthe_beforeyoutaetheedicine._she_supperathoe?yes,
9、shedid.There_anyhospitalsinyhoetonin1940.0、Thelittlegirlreally_hattodoatthattie.1、He_lateyesterdayorning.hen_you_thissong?I_itlastyear.三、单项选择。Itstieforstudentstohavearest.Soearetaling._areplayinggaes.A.otherB.anotherc.theothersD.othersHeputhisbienexttoine_.A.atpresentB.soetiesc.nextondaD.yesterdaIso
10、rry.I_noyou_here.A.dont;areB.didnt;erec.dont;ereD.didntarehenheasachild,he_inthegardenintheorning.A.seldoplaysB.neverplac.alaysplayedD.soetiesplays-Excusee.Looatthesign:NoSoING!-Sorry,I_it.A.dontseeB.didntseec.asntseeD.ontseeTheoldladycleanedthetables,_soedirtyclothesanddidsoecooing.A.ashingB.ashesc
11、.ashedD.ash-_didyoufindthetriptoNanjing?-Veryinteresting.A.henB.hatc.hD.HoHegoestotheReadingclub_.A.lastnightB.onehouragoc.ateeendsD.thefolloingSunda-hat_thingsdidyoubuy?-Nothing_.A.other;otherB.else;elsec.other;elseD.else;other0、Ihavenoideahat_henIasasleep.A.ishappeningB.didhappenc.happenedD.ashappened1、-hoaslateforclassthisorning?-_.A.LiLeiisB.Ginadidc.TonydoesD.BillasThedoctorasede_arestand_oreater.A.h
