unit 15 a famous detective

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1、Unit15AFamousDetective1.affair常用复数foreignaffairsinternationalaffairspersonalaffairsbusinessbeonbusiness办公事travelonbusiness出差Mindyourownbusiness/affairsevent具有重大意义的历史事件Tomwassenttocoverthegreatevents.2.v.delaysth.delaydoingsth.=putoffdoingsth.n.withoutdelay=atonceadelayoftwohours3.v.quarre

2、lwithsb.about/oversth.n.haveaquarrelwithsb.about/oversth.arguewithsb.about/oversth.4.fasten/fix/tie(意思相近)fastensth.toaplace将..拴到..上,闩住fixsth.toaplace将..固定到..上tiesth.toaplace将..系到..上eg.a.Haveyoufastenedallthedoorsandwindows?b.Fastenyourcoat,please.c.Icanseeapieceofropefastenedtoanail.d.fas

3、tenalockon/tothedoore.Hefastenedtwopiecesofpapertogether.5.seeto+n./-ing处理,负责eg.Ihavesomepersonalaffairstoseeto.Yourcoughoughttobeseento.seetoitthat……=makesurethat……Seetoitthatallthewindowsareshutbeforeyouleave.seesb.off送别某人seesb./sth.through看穿,识破6.It’s(high)timethat主语+did/shoulddoIt’s(hi

4、gh/about)timeforsb.todosth.It’sthefirst/secondtime(that)主语＋havedoneeg.你该上床睡觉了．It’stimeyouwenttobed.(It’stimeforyoutogotobed.)这是我第一次来中国．It’sthefirsttimeIhavecometoChina.7.furnitureunapiece/anarticleof~asetof~以下名词都是不可数名词：apieceofinformation/clothing/jewelry/equipment/advice/8.besupposedto应该

5、，应当（表示“本来应该……”,但事实相反或“应该做……”,与should词义相近）eg.1.Whataretheysupposedtobedoing?2.TheyaresupposedtogotochurchonSunday.3.Heissupposedtohavecometothemeeting,buthedidn’t.9.dare1)情态动词一般不用于肯定句。主要用于表示疑问、否定、条件的句子中。没有数的变化（无第三人称单数),但可以有时态的变化。后接动词原形。否定：darenotdo/daren’tdo2)实义动词和其他实义动词一样用,但在否定,疑问句中dare后的

6、to偶尔可省略.need也是既可以做情态动词也可做实义动词．情态动词也一般不用于肯定句没有数的变化和时态变化.实义动词：needsth./sb.needdoing/tobedonerepairing.eg.Thehouseneedstoberepaired.Idaresay我敢说，我揣测可能，或许eg.Idaresayhewilldoit.daringadj.勇敢的，大胆的eg.adaringidea新颖的构想Ex:1.How____youspeaktoyourteacherlikethat?2.Henever_____toaskherfatheranyquestion.

7、3.Hestoodthere,not_______tolifthishead.4.Bealittlebitmore________.daredareddaringdaring10.Thereisnodoubtabout…that-clause不可用It’snodoubtthat…Ihavenodoubtthat…Ihavesomedoubtwhether/if…Idon’tdoubtthat…Idoubtwhether/if…Ex.1.Thereisnodoubt________Johnwillcomeontime.A.ifB