九年级英语第三单元知识点

名师指导：Unit3知识点汇总一、知识点1.被动语态的谓语动词形式:be的各种时态形式+v-ed含情态动词的:can/may/must/shouldbe+v-ed2.get/have+n./pron.+v-ed叫/让/请别人做某事(即使谋事被做)例:Iwanttogetmycoatmended.我要缝衣服.Iwanttohavemyhaircut.我要理发.3.allowsbtodosth允许某人做…allowdoingsth允许做…4.drive:①驾车,驾驶.②驱赶,驱使.例:Whatdrivesthemtorobtheshop?什么驱使他们去抢商店?5.stupid,silly,foolish三个词都有“蠢”的意思.但略有不同.stupid程度最强,指智力理解力学习能力差.silly指头脑简单,傻头傻脑,使人觉得可笑,带有感情色彩.foolish尤其在口语中广泛使用.例:Heisstupidinlearningmath.他学习数学很笨.Stopaskingsuchsillyquestions.别再问这样傻的问题了.Youarefoolishtothrowawaysuchagoodchance.你真蠢,丢掉这样一个好机会.6.Hedoesn’tseemtohavemanyfriends.=Itseemsthathedoesn’thavemanyfriends.=Heseemsnottohavemanyfriends.7.倒装句:So+be动词/助动词/情态动词+主语(前为肯定局)表示与前面所述事实一致.Neither/Nor+be动词/助动词/情态动词+主语(前为否定)表示与前面所述事实一致.例:Helikesoranges.SodoweHedoesn’tlikeoranges.NeitherdoweShewenttothecinemayesterday.SodidIShedidn’tgotothecinemayesterday.NeitherdidITomcanswim.SocanJohnTomcan’tswim.NeithercanJohnSo+主语+be动词/助动词/情态动词表示对前面事实的进一步确认.例:Henryisverytired.Soheis(的确是)HesurfedInternetfortwohours.Sohedid(的确是)Theywillwinthegame.Sotheywill(他们会的)8.until用于肯定句中,前面句子中的谓语词必须是延续性的.9.clean(v.)打扫,清理cleanup比较彻底地打扫,清理cleanout打扫,清理地最彻底.10.failatest=failinatest考试不及格11.bestrictwith+人.bestrictin+事物.例:TheheadteacherisstrictwithhisstudentsHeisstrictinthework.12.theotherday前几天,不久前的一天.(用于过去时)13.concentrateon…全神贯注做…例:Hedecidedtoconcentrateonphysicsbecausehefailedtheexam.Thiscompanyconcentrateson$2market.这家公司把重点放在中国市场上.14.more…than…①与其说…不如说…;比…更…例:Themanismorestupidthannervous.与其说那人紧张,倒不如说他愚蠢.②在这一结构中,more做adj.修饰名词,表示“比…多”例:Ihavemorebooksthanyou.我的书比你的多.15.volunteer①n.自愿者.②v.volunteertodosth.自愿做…例:Weallvolunteeredtohelpintheoldpeople’shome.我们都志愿到敬老院帮忙.16.chance指侥幸的,偶尔的机会,还可表示“可能性”opportunity指有利的时机,良机.二者有时可以互换.Haveanopportunitytodosth有做…的机会.Don’tbetoofrustrated.You’llhaveanotheropportunitytogotocollegenextyear.别太沮丧了,你还有上大学的机会.17.experience:①可数名词“经历,体验”例:Pleasetellussomethingaboutyourexperiences.②不可数名词“经验”例:Heisamanofrichexperience.③动词“经历”例:Sheexperiencedlotsofsuffering.18.off不工作,不上班,不上学,不值班.例:IthinkI’lltaketheafternoonoff.我想下午歇班.Sheisofftoday.她今天休息.Ihavethreedaysoffnextweek.下周我有三天假.Theyhaven’thadadayoffsincelastweek.从上周来,他们没休息过一天.19.reply与answer两者有时可通用.reply比answer正式,一般指经过思考的.有针对性的,详细的回答,往往与to连用.answer是一般用语,可直接带宾语.另外answer还有“应答”之意.如answerthedoor/telephone20.getintheway(of)...妨碍...例:Henevergetsinothers’way.他从不妨碍别人.Thebikesovertherewillgetinthewayofothers.自行车放在那里会妨碍别人的.21.success(n.)successful(adj.)succeed(v.)22.do，does，did用在另一个动词前表示强调.例:Hedoesspeakwell.他真的讲的很好.Dobequiet.务必安静.Shediddoherhomeworkyesterday.她昨天确实写作业了.23.intheend=finally=atlast最后.24.importance(n.)important(adj.)25.beseriousabout对…热忠/极感兴趣.例:I’mseriousabouttheproblem.Totellyouthetruth,I’mnotseriousaboutmathatall.26.only处于句首,并后跟状语时,全句需要倒装.例:Onlythendidheunderstandit.只有到那时,他才明白.OnlyinthiswaycanwelearnEnglishwell.只有这样我们才能把英语学好.Onlywhenshecamehome,didhelearnthenews.当她到家时,他才得知了这消息.27.careabout关心,在乎,在意.例:Noonecaresaboutothersnowadays.现在没人关心别人.Idon’tcareaboutwhathedoes.我并不在意他干什么.28.clothes统指身上穿的各种服装,包括上衣,裤子,内衣等,做主语,谓语动词按复数处理.clothing不可数名词,是服装的总称,包括各种衣服,帽子,鞋袜等.做主语谓动按单三处理.cloth布料.为不可数名词二、短语1.beallowedtodosth被允许干…allowsbtodosth允许某人干…allowdoingsth允许干…2.sixteen-year-olds=sixteen-year-oldboysandgirls16岁的孩子3.part-timejobs兼职工作4.adriver’slicense驾照5.onweekends在周末6.atthatage在那个年龄段7.onschoolnights在上学期间的每个晚上8.stayup熬夜9.cleanup(相当与及物动词)清扫10.fail(in)atest考试不及格11.takethetest参加考试12.theotherday前几天13.allmyclassmates我所有的同学14.concentrateon全神贯注于15.begoodfor对…有益16.ingroups成群的,按组的17.getnoisy吵闹(系表结构)18.learnfrom向某人学习19.atpresent目前,现在20.haveanopportunitytodosth有做…的机会21.English-Englishdictionary英英词典22.atleast至少23.eighthours’sleepanight每晚8小时的睡眠24.anoldpeople’shome敬老院25.taketimetodosth花费时间干…26.primaryschools小学27.have…off放假,休息28.replyto回答,答复29.getinthewayof妨碍30.aprofessionalathlete职业运动员31.achieveone’sdreams实现梦想32.thinkabout思考,考虑33.intheend最后,终于34.beseriousabout对…热忠/极感兴趣35.spend…on+n.spend…(in)+v-ing在…上花费时间/金钱36.careabout关心,担心,在乎37.agreewith同意…三、句子1.Idon’tthinktwelve-year-oldsshouldbeallowedtogettheirearspierced.我认为不应该允许12岁的孩子穿耳孔.2.Theytalkinsteadofdoinghomework.他们聊天而不是做作业.3.Heisallowedtostayupuntil11:00pm.允许他们熬到晚上11点.4.Weshouldbeallowedtotaketimetodothingslikethatmoreoften.我们应该被允许更加经常的花些时间多做这类事情.5.Whatschoolrulesdoyouthinkshouldbechanged?你认为学校的哪些制度应该改一改了?6.Thetwopairsofjeansbothlookgoodonme.这两条牛仔裤穿在我身上都适合.7.Theclassroomisarealmess.教室太脏了.8.ShouldIbeallowedtomakemyowndecisions?9.OnlythenwillIhaveachanceofachievingmydream.只有这样我才能实现我的梦想.10.Theyshouldbeallowedtopracticetheirhobbiesasmuchastheywant.应该允许他们对业余爱好想练多长时间就练多长时间.11.Wehavenothingagainstrunning.我们没有理由反对他跑步.