Unit5第3课时Grammar（知识精讲分层练习）（学生版）八年级上学期英语讲义（牛津译林版）

Unit5第3课时Grammar目标导航目标导航重点词汇adj关闭的2.*n.蝙蝠3.*n.蜜蜂4.adj.迷路的，迷失的5.迷路6.与·…同样7.vt.&vi.储存，节省词汇拓展1.closed关闭的(adj.)开着的(adj.)close关(v.)——开(v.)2.表示能力(现在)能(过去)能(现在)不能(过去)不能3.表示许可可以不可以禁止4.表示可能性一定可能可能不不可能,一定不5.表示建议应该不应该必须不必重点词组1.向有水的地方走去2.害怕老虎3.靠近狮子和老虎4.喝它妈妈的奶5.跳来跳去6.互相一起玩7.学会解出简单的数学题8.开始储存食物9.记得原路返回10.忘记在哪儿找的食物重点句型1.大象正朝有水的地方走去。Theelephantthewater.2.它可能需要洗个澡。.(情态动词may+V原形作谓语)=.(Maybe+句子(主语+谓语))3.这男孩也许害怕老虎。.(beafraidof(doing)sth.;beafraidtodosth.)=.这个熊猫宝宝可能不饿。Thebabypanda.=.5.猴子们也许正在互相玩耍。Themonkeys.6.这匹马正闭着眼睛站着。Thehorse.(withsth.+adj.表伴随状态)蝙蝠能在嘴和耳朵的帮助下决定按正确的路线飞行。Batscandecidetoflytherightway.知识点睛知识点睛【语法】A.用情态动词may来表达可能性。【精讲】英语中表达可能性的情态动词有：(1)may表示“可能”(用于肯定句中）【might表示可能性很小】ThisbookmaybeTom’s.[这本书可能是Tom的]=Maybe/PerhapsthisbookisTom’s.JackmayetoJurongtomorrow.[杰克明天可能来句容]=Maybe/PerhapsJacketoJurongtomorrow.(2)can表示“可能”(用于疑问句中）Canthatbetrue?[那可能是真的吗?](3)can’t表示“不可能”(用于否定句中）Thatbookcan’tbeTom’s.[那本书不可能是Tom的](4)must表示“肯定”(用于肯定句中）ThatbookmustbeTom’s.[那本书肯定是Tom的](5)maynot表示“可能不”。Thenewsmaynotbetrue.这个新闻可能不是真的。【拓展】①mustn’t表示“禁止”.只用于严肃的、危险的事情，语气强烈。不表示可能性。Youmustn’tplayfootballontheroad.②在wish后接的宾语从句中，常用过去时，表示可能性极小。Iwish(that)Icouldfly.Iwish(that)IwereXiJinping.③我们可以用情态动词may来表示许可。—MayIseetheletter?我可以看看这封信吗？—Yes,youcan/may.是的，你可以。或—No,youcan’t/maynot/mustn’t.不，你不能/不允许。【语法】B.动词+todosth.(动词不定式)用法。【动词+特殊疑问词+todosth.也很常用】①动词不定式（非谓语动词）常放在这些动词后：want(想)/begin(开始)/try(试图)/decide(决定)/hope(希望)/prepare(准备)/remember(记得)/forget(忘记)/agree(同意)/fail(失败、未能)/learn(学会)/plan(计划)/wish(希望)+todosth.②动词不定式的否定形式：在to的前面加not.Eg:decidenottodosth.③只能接doing,不能接todo的动词（非谓语动词）。enjoydoingsth./practicedoingsth./finishdoingsth./missdoingsth./mindsb./sb’sdoingsth.keep(on)doingsth.特殊：1.likedoingsth./liketodosth.（有细小区别）hatedoingsth./hatetodosth.（有细小区别）2.start/begingtodosth.start/begindoingsth.(start/begin本身是进行时不能用）④接doing,接todo两者皆可的动词（非谓语动词)，但含义不同：1.stoptodo停止，中断做某事后去做另一件事。stopdoing停止做某事。2.forgettodo忘记要去做某事。(未做)forgetdoing忘记做过某事。(已做)3.remembertodo记得去做某事(未做)rememberdoing记得做过某事(已做)4.trytodo努力，企图做某事。trydoing试验，试着做某事。5.goontodo做了一件事后，接着做另一件事。goondoing继续做原来做的事。【语法】C.重点短语和句型。1.beafraidofthem害怕它们2.standwithitseyesclosed眼睛闭着站着3.workouteasymathsproblems算出简单的数学题【重点】workout解决、算出★workout为动副词组,代词放中间→workitout4.decidetoflytherightway决定正确的方式飞5.withthehelpof.....在…的帮助下 【拓展】withthesupportof.....在…的支持下6.getlost=loseone’sway迷路 7ebackthesamewayastheywent按原路返回8.forgetwheretofindthefood忘记去哪儿找到食物练一练练一练1．—Haveyouheardthatsomebadthingswouldhappenin2012?—Don’tworry!Thenews______betrue.A．mustn’t B．maynot C．needn’t D．shallnot2．We______stopourcarswhenthetrafficlightsturnred.A．can B．must C．may D．might3．A:______Ihavealookatyourphotos?B:Yes,you______.A．May…should B．Must…canC．May…need D．May…may4．—Excuseme,______Itakethemagazineoutofthereadingroom?—Sorry,youcan't.Justhere,please.A．may B．should C．must D．need5．Everyone______haveachancetobesuccessfulifhetrieshisbest.A．should B．may C．hasto D．need分层练习分层练习【基础练习】一、根据汉语完成单词，每空一词.1.Mylittledog’s(称重)istwokilograms.2.Agood(开始)ishalfdone.3.Weshouldtakeactionto(保护)wildanimals.4.XiWanghasthesame(意思)ashopeinEnglish.5.Thestudentsatthisschoolare(主要地)fromthecountryside.1weight2beginning3protect4meaning5mainly二．用所给动词的适当形式填空1.Tellthechildren(notplay)inthestreet.2.Thanksforagreeing(show)somephotostous.3.Doyouknowtheearth(travel)aroundthesun?4.Listen!They(chat)inthenextroom.5.Imetafriendofmineonmyhomeyesterday，soIstop(talk)withher.6.Helikedtotellfunnystoriestomakepeople(laugh).7.UncleWangenjoys(make)things.8.IfSimon(nothave)lunch,he(go)hungry9.Wouldyoulike(write)areportfortheWildAnimalsClubnewsletter.10.Couldyouplease(notbuy)theclothesmadeofanimalfur?11.Somewildanimalsmay(die)soonbecausetheyarelosinghomes.12.Ihope(get)bettergradesinthenexttest.13.Wherewillyouchoose(sit)onthebus?14.Kitty’steacherinvitedme(join)intheirschooltriptotheWorldPark．三、首字母填空Thereisabigzooinourcity.Therearemanyanimals,suchaselephants,tigers,monkeys,bears,snakes,dolphinsando1ones.Tigers,bearsandsomesnakeshavetos2incagesbecausetheyaredangerous.Elephantsaretheb3animalsonland.Therearetwoelephantsinthezoo.Theyareveryf4.Theyeatgrasseveryday.Theylikechildrenbecausetheys5givethembreadandbananas.Theylikebananasverymuch.Atigerisoneofthemostd6animalsintheworld.Theyusuallyliveinf7andmountains.Theyeats8animalslikerabbitsanddeer.Therearetwotigersinthezoo.Youcanseemanymonkeys.Theyareveryi9.Theyc10upropesandplaywitheachotherlikelittlechildren.四、根据汉语意思完成句子1.这些食物看起来可口，我可以吃一些吗？Thefood____________________________.CanI________________________________?2.很多野生动物处境危险。Manywildanimals_____________________________________.3.他们计划明天去钓鱼。They___________________________________________tomorrow.4.我的哥哥很少邀请我跟他一起打篮球。Mybrotherseldom___________________________________________________________.有时候她会忘记关窗户。Sometimesshe__________________________________________..【能力拓展】完型填空Whatkindofmonkeyliveslonger,thethinorthefat?Scientistsfoundthatmonkeys1lessmaylivelongerandarenoteasytoget2.RichardWeindruchoftheUniversityofWisconsininMadisonandhisteamstudiedaboutit.They3seventysixmonkeysovertwenty4.Theylethalfofthemonkeyseatas5astheywantedandmadetheotherhalfeatlessfood.Andtheygavethemvitaminsandminerals（矿物质）tohave6nutrient（营养）.Twentyyearslatertheyfoundthat37%ofthemonkeyswhoateasmuc