PET精讲班讲义教师

1、Unit1Explorer、VDcabulary-1Whatcanyoufindatthebottomofthesea?海底thebottomofthesea珊瑚coral船只残骸shipwreck古代的城市ancientcities地点/场所site定居地点settlements住所habitation遗迹remains人类humanHowtoexplorethebottomoftheocean?探险家explorer潜水艇submarine发送现场照片sendlivepictures控制control想象imagineimaginationimaginativeThefouroceans:

2、太平洋-thePacific(Ocean)大西洋-theAtlantic(Ocean)ER度洋-theIndianOcean北冰洋-theArcticOceanBreakandmemorize:船只残骸shipwreck古代的ancient定居地点se_ttlement住所habitation遗迹remains人类human探险explore潜水艇submarine控制control想象imagine想象力imagination太平的pacific大西洋atlantic北极的arctic、FeadingA.Skimthetextforthesequestions:1、WhereisDr.Bal

3、lardfrom?2、Whatishefamousfor?3、Whatdoesheusetoexplorethebottomofthesea?B.Readthetextanddecideifeachsentenceiscorrect(A)orincorrect(B).1、Thereareahundredshipwrecksatthebottomofthesea2、TheremainsofTitanichavebeenintheseafor3800years.3、Dr.Ballardgoesintotheseainasmallsubmarine.4、Hewantstofinddifferentt

4、ypesoffishandcoral.5、Somepeopleusedtolivewherethereiswaternow.6、 Dr.Ballardisdoingsomeresearch(研究)aboutthesite.7、 Dr. Ballard is tryingto set up an underwater museum although there is lesshistorythaninthemuseumsonland.8、Peopleallovertheworldcangototheunderwatermuseumtotakesomepictures.9、 Dr.Ballardl

5、ikesputtingpicturesontheInternet.C.Answerthequestionsbelow.1、Thetextistryingto.A.tellushowtoexplorethesea.B.tellusthehistoryofTitanic.C.introduceusanexplorertothereaders.D.showushumanbeingcanliveinthewater2、WhatkindofTVprogramsisDr.Ballardlikelytoenjoy?A.watersportslikesailingB.quizshowsaboutfishand

6、coralC.cartoonsD.documentariesabouthumanhabitations job?一般过去时态3、WhataretheadvantagesanddisadvantagesofDr.Ballard4、Doyouwanttobeanexplorer,andwhy?三、GrammarHewatchesTVeveryday时态：结构：用法:HewatchedTVyesterday.时态：结构：用法:HeiswatchingTVnow.时态：结构：用法:用watch的适当形式填空：时态：一般现在时态现在进行时态结构：SheTVeverydaybutI(not)watchTV

7、veryoften.sheTVeveryday?Yes,she.No,she.She(not)watchTVeveryday.HeTVnowbuthisparents(not)atthemoment.heTVnow?Yes,heis/No,heisnt.He(not)TVnow.TheyTVlastnight.theyTVlastnight?Yes,they.No,theyThey(not)TVlastnight.常用不规则动词过去式变法：choose come cost Base form Past simple cut do drink drive eat fallBaseformPast

8、simplebecomebeginblowbreakbringbuildbuycancatchfeelringfightrunfindsayflyseeforgetsellgetsendgivesinggosinkgrowsithavesleephearspeakhitspendholdstandhurtstealkeepswimknowtakeleaveteachlettelllosethinkmakeunderstandmeetwakepaywearputwinreadwriterideTranslating1、人们经常在海底发现人类居住地的遗迹。Peopleusuallyfindrema

9、insofhumanhabitationatthebottomofthesea.2、罗伯特总是用一艘潜水艇去探索水下世界。Robertalwaysusesasubmarinetoexploretheunderwaterworld.3、20年前，有位探险家在北大西洋海底发现了泰坦尼克号的残骸。20yearsago,anexplorerfoundtheshipwreckofTitanicatthebottomoftheNorthAtlantic.4、在2000年，他去了黑海，在那里他发现了古老的人类居住地。In2000,hewenttotheBlackSea,wherehefoundancient

10、humansettlement.5、他现在正在为另一个想法儿工作。Now,heisworkingonanotheridea.6、他现在正在为建设世界上第一个海底博物馆而努力。Heisworkingfortheworldsfirstunderwatermuseum.Completetheexerciseonpage7四、Vocabulary-2Afamousemigration（迁徙）：theOregonTrail俄勒冈小道迁徙/移民emigrateemigration世纪century欧洲Europe欧洲人Europeans农田farmland移居者settler山脉mountains路途jo

11、urney西部电影western当地土着的native攻击attack极其地extremely长度length马车wagon光着脚barefoot温度气温temperature包括including死于疾病diefrom川ness意外/事故accident轮子wheel开枪/射击gunshot迷人的fascinating下沉sinkBreakandmemorize:迁徙emigrate世纪century欧洲Eu_rope_山脉mountain路途journey土着的native攻击attack极其地extremely_马车wagon温度temperature包括including事故accid

12、ent射击gunshot迷人的fascinating五、ReadingA.Skimthetextforthesequestions:1、HowmanystatesdidtheOregonTrailgothrough?2 、Howlongisthetrail?3 、HowlongdidthejourneytakealongtheOregonTrail?4 、Howmanypeopledieonthetrail?B. Readthetextanddecideifeachsentenceiscorrect(A)orincorrect(B).1、Inthe19thcentury,alotofpeopl

13、ewenttoAmericafromEuropetohaveanadventure.2、Manypeoplepreferredthelifestyleinthecountrysidesotheyleftbigcities.3、Theyfondalotoffarmlandsotheywerecalledfarmers.4、EveryonecouldfindgoldinCalifornia.5、Thejourneyalwaystookayear.6、 AmericanIndianskilledthousandsofwhitepeople.7、ThesettlershelpedtheNativeAm

14、ericans.8、Thejourneywasreallyhard.9、Theyhadwagonssotheydidnthavetowalk.10、Thewagonswerenotenoughtocarryeveryone.11、Theweatherwassohotthattheywalkedbarefoot.12、50thousandpeoplewerekilled.13、Peoplewerekilledindifferentwaysonthetrail.C. Answerthequestionsbelow.1、Whatisthetextmainlyabout?A.AmericanIndia

15、nswerehelpful.B.ThereweremuchgoldinCalifornia.C.TheOregonTrailwasverydifficult.D.SomeinformationabouttheOregonTrail.2、IfyouaregoingtotakeajourneyliketheOregonTrail,whatwillyoutakewithyou?Translating在19世纪，有很多欧洲人迁徙到了美国，由于他们在大城市里找不到工作，所以去西部寻找农田。这些人被称为移居者。路途是极其的艰难。在西部电影中，我们经常看到白人杀死很多的移居者。由于马车不够而且有些人没有鞋穿

16、，所以很多人都光着脚走路。有的人死于疾病，也有的人死于意外的开枪射击。FinishthetaskonPage9六、Listening(5c)A. Listenagainandcompletethesummary(5d).B. Listenandcompletetheblanks.Karen:HiMark.Howareyou?Mark:Fine,thanks.Imstudyinghardatthemoment.ImreadingaboutthesettlersontheOregonTrail.Itsreallyinteresting.Karen:Sowhatkindofthingsareyour

17、eadingabout?Mark:Well,forexample,thestoryofthesettlersontheOregonTrail.Itwasareallydifficultjourney.Itsfascinatingtoread.Somanyofthesettlersdiedontheway.Karen:Why?Mark:Well,therearemanyreasons.Forexample,thereweresomebigriversontheway,andthesettlershadtocrossthem:theColumbiaRiver,forexample,ortheGre

18、enRiver.Ireadastoryaboutthatlastnight.Karen:AboutpeoplecrossingtheGreenRiver?Mark:Yes.Ithappenedintheyear1850.Thesettlerswantedtocrosstheriver,butanawfulaccidenthappened.Erm-thereweretoomanypeopleontheboat,youknowand,inthemiddleoftheriver,theboatturnedoveranditsankintenminutes.37peopledied.Karen:Rea

19、lly?Thirty-seven!Whydidsomanypeoplegetontheboat?Mark:Well,becausethepeoplewhohadtheboatswantedtomakea10tofmoney.Youknow,theywantedalotofpeopleoneverytrip.Sotheytriedtogetlotsandlotsofpeopleontheboats.AndcrossingtheGreenRiverwasveryexpensiveanyway.Itcost$16perperson,almostasmuchasahorsecost.Karen:How

20、sad!So37peopledied,onlybecause七、EverydayEnglish年轻人blokeguy唱片/专辑/相册album太棒了brilliant参力口比赛enteracompetition公司company合同contactFinishthetaskonPage10,11.八、Enrolmentform名Firstname/givenname姓Familyname/lastname/surname国籍Nationality性别sexgender男性（M）male女性（F）female地址addressFinishthetaskonPage11.九、Givetheclass

21、aspeechaboutyourself.YourspeechshouldincludetheinformationaboutyourSurname,firstname,nationality,dateofbirth,sex,address,whyyouwanttolearnEnglish.First,writeanarticleaboutyourself;then,reciteit;atlast,giveusaspeechwithoutyourarticle.Nowhereisanexample:MysurnameisLiuandmyfirstnameisZhanfeng.Icomefrom

22、China.IwasbornonMarch25th,1983.soIam30yearsnow.Asyoucansee,Iamamale.IliveatQinghuaEastRoad,HaidianDistrict,Beijing.MyapartmentisnexttoBeijingForestryUniversityandBeijingLanguageUniversity.Ioftenseemanyforeignersaroundmycommunity（社区）.IwanttolearnEnglishwellbecauseIthinkEnglishisveryuseful.WhenIgrowup

23、IwanttostudyabroadortraveltoothercountriessoEnglishisveryimportanttome.Self-introduction十、Homework:1) 完成讲义上所有练习，下节课检查2) 背讲义上的所有的生词，下节课听写3) 同步练习题选做，下节课检查4）准备演讲稿，下节课脱稿演讲5）听录音，跟读、朗读课文（第6页）5遍Unit2Thatsanidea一、VocabularyDoyouknowtheseinventions（发明）?圆珠笔biro薯片crisps假发wig红绿灯trafficlights打印机typewriter染发剂hair

24、dye猫眼catseye电视机televisionsetWhoinventedthem?发明invent发明家inventor发明出的东西invention记者reporter厨师cookchef饭店restaurant顾客customer药剂师chemist生产produce发光/闪烁shine灰白grey文章article用装满fillsth.withsth.墨水ink厚的thick薄的thinBreakandmemorize:发明invent,己者reporter饭店restaurant顾客customer药剂师chemist生产produce文章article二、Grammar:进行时

25、现在进行时：am/is/are+doing表示：正在进行Myfatherisworking.Mymotheriscooking.IamstudyingEnglish.Myclassmatesarelisteningtotheteacher.过去进行时：was/were+doing表示：过去某时刻正在进行WhenIgothomeyesterdaymymotherwascooking.WhenyoucalledmelastnightIwaswatchingTV.WhenIwokeupthismorningmyparentsweremakingbreakfast.WhileIwaswalkingin

26、thestreetIsawawalletontheground.Whilewassleepingmyfatherwentoutforwork.while用在过去进行时前面；when用在一般过去时前面。一句话中只能用when或while其中的一个，不可以都使用。Translating:a）当我到达饭店时，我的朋友们增在喝果汁。WhenIgottotherestaurantmyfriendsweredrinkingjuice.b） 当朋友们正在喝果汁时，服务员来了。Whilemyfriendsweredrinkingjuicethewaitercamearound.c） 当服务员正在与我们说话时，

27、他打碎了一支杯子。Whilethewaiterwastalkingtoushebrokeaglass.d） 当我们吃完饭时，服务员正为其他顾客服务。Whenwefinishedourdinnerthewaiterwasservingothercustomers.Completetheexerciseonpage13.三、Listening1) .Therewasacatandinthelightsofhiscarhecouldseeveryclearlyitsshiningyelloweyes.Thatsanidea!”hethought.Andin1934PercyShawinventeds

28、omethingwhichwecanseeonmanyroadsintheworld:catseyes.2) .Hewentbacktothekitchenandcutsomepotatoesvery,verythinly.Thenhecookedthemandgavethemtothecustomersintherestaurant.Mr.Crumgotasurprise.Thecustomersintherestaurantlovedthemandwantedmoreandmore.Mr.Crumbecamefamousastheinventorofcrisps.3) Heworkedfo

29、rmanyyearstomakeamachinethatcouldshowpicturesandin1925heproducedthefirsttelevisionpicture.4) .Shewasveryunhappybecauseshedidntwanttouseawig,butinthosedayshairdyeswerenotverygoodforpeopleshair.Afewyearslater,theFrenchchemiststartedtoproduceanewhairdyewhichwassafetouse.5) ThemansnamewasLizloBiroandhei

30、nventedanewkindofpen.In1938,heandhisbrotherwenttoArgentinaandstartedtheproductionoftheirinventionthere.Itwasnamedafterthemthebiro.四、Listening:Itookthelittleboyalongtheroadbacktothetown.Whilewewerewalking,hestartedtocryagain.Isaid:MynameisSamantha.Whatsyours?”Butthelittleboydidntsayanything.Wewereget

31、tingclosetothetownwhensuddenlythelittleboystopped.Mydoghesaid.Whereismydog?”Andthenhestartedtorun,backuptheroadtowardstheforestandthecave.Ishouted:Comeback!”buthedidntstop.IranafterhimandIsawhimrunintothecave.Iwentbacktothecave.Thelittleboywasnttherebutasmallwhitedogwassittingontheground.Itwaslookin

32、gatme.Andthenitranoutofthecaveandintotheforest.Ididntseetheboyorthedogagain.Itwasgettingdark,soIwalkedbacktothetownandwenthome.Itoldmymotherabouttheboyandthedog.Mymothersaid:Thatsstrange!20yearsago,alittleboyandadogdisappearedinthatforest!”Retellthestorytoyourpartner.Completetheexerciseonpage14.五、Re

33、ading-1获奖winaprizegetaprize参力口比赛enteracompetition双筒望远镜binoculars组织organize舞台stage塑料plasticget=arrive=receive=becomeBreakandmemorize:望远镜binoculars组织organize塑料plastic收至1Jreceive比赛competition舞台stageA.Readthetextanddecideifeachsentenceiscorrect(A)orincorrect(B).1、 AcompanycalledAorganizedacompetitionfor

34、youngpeoplewhohaveideastoinventsomething.2、 Sarahgottheideaofcamocularswhilehewasusingbinoculars.3、 SarahssistershowedSarahhowtoinventcamoculars.4、 Sarahwastheonlyoneinventorwhowonsomemoneyinthecompetition.5、 Thetopprizeofthecompetitionis1000dollars.6、 AccordingtoSarah,ifyouwanttoinventsomethingyous

35、houldnotjustsitthereandthink.8. FinishthetaskonPage156、 Reading-2牛仔裤jeans流行popular时髦的fashionable淘金热GoldRush布fabriccloth纽扣button金属metal坚硬的/耐用的tough条件/状况condition大学college正式的formal非正式的informal休闲服/便装casualclothes图案pattern风格/样式style办公室officeBreakandmemorize:流行popular纽扣button金属metal条件condition_正式formal休闲

36、caual图案patternA. Readthetextanddecideifeachsentenceiscorrect(A)orincorrect(B).1、 LeviStraussinventedjeans.2、 LeviStrausswasbornandgrewupintheUSA.3、 LeviStraussusedtoworkasashopassistant.4、 Attheverybeginning,Jeansweredesignedforworkingindifficultconditions.5、 AfterStraussaddedmetalbuttonstojeansitbe

37、camepopularveryquickly.6、 BeforetheSecondWarteenagersdidntwearjeans.7、 Everyoneknowswhy“jeans”arecalledjeans.B. FinishthetaskonPage16.7、 Homework:1) 完成讲义上所有练习2) 背讲义上的所有的生词3) 同步练习题选作4) 听录音，跟读、朗读课文(第12页)5遍5) )复述故事：Theboyinthecave6) )带照片，描述图片7) )写作：写故事当我在沙滩上散步时，一个小女孩向我跑过来。他说他发现了一个奇怪(strange)的东西。然后她就跑到了

38、一个海边的山洞里。我跟着她跑去(runafter)。当我到达山洞时，两个男孩子正在搬一个黑色的金属球。我让他彳门把那个球放下(putdown)。我认真地看了那个球。我喊道：“这是一个炸弹(bomb)!所有的孩子都跑了出去。我拿出手机(mobilephone),报了警(callthepolice)。一个小时后，警察到了。当警察还在那工作时，我回家了。Unit3ShejumpedwellVocabularySports:跳高highjump跳远longjump体操gymnastics田径athletics自由潜水freediving骑自行车cycling曲棍球/冰球hockey橄榄球rugby帆船

39、sailing冲浪surfing风帆冲浪windsurfing网球tennis乒乓球tabletennis排球volleyball高尔夫球golf棒球baseball山地滑板运动mountainboarding滑雪板snowboarding攀岩rockclimbing直排轮滑/滑旱冰rollerblading拳击boxing举重weightlifting野营camping卡丁车kartingWordsaboutsports:足球场pitch网球/篮球场court高尔夫球场course溜冰场rink跑道track环道circuit网球/羽毛球拍racket乒乓球/棒球拍子bat高尔夫球杆club

40、头盔helmet雪橇ski滑雪杖stick网net靴子boots冰球puck体育场stadium体育馆gym（nasium）运动员athlete田径运动athletics进球goal得分score观众spectator/thecrowd裁判refereeumpire满分perfectscore金牌goldmedal银牌silvermedal铜牌bronzemedal口哨whistle创立记录setuparecord保持记录holdarecord打破记录breakarecord赢win输lose打败beat平局draw获得achieve成功的successful困难的difficult肘部elb

41、ow膝盖knee浅的shallow陡峭的steep山坡slope整洁的tidy凌乱的messy聪明的intelligent苗条的slim流利的fluent优秀的excellentBreakandmemorize:体操gymnastics滑旱冰rollerblading体育场stadium观众spectator成功的successful浅的shallow聪明的intelligent优秀的excellentPracticenow:Readandtalk:Whatsportsarethese?Doyoulikethesesportsandwhy?s like a skateboard with bi

42、g wheels、Weuseaverystrongboard,itandwedoitonasteephillormountain.Itscalledmountain-boarding.Thereslotsofspacetojumpandturn.Itsgreat.Itsquiteeasy,butwesometimesfallsowealwayswearhelmetsandweusuallywearsomethingtocoverourelbowsandknees.、Wewearourrollerblades.Theyrelikeskateswithfourlittlewheelss notin

43、astraightline.Itscalledstreethockey.Weusestickslikeicehockeysticksandaball.Itsfuninthesunandweusuallyplayinthesummer.、Youcangoupto45kphindoor,soyouwearahelmet,butitverydangerous-really!Itscalledkarting.Weuseakindofsmallracingcar.Itsgotarealengine.Championracingdriversoftenbegininthem.、Theweathersver

44、ycoldandwindyinCanadainwinterandtheresalwaysiceandsnowonthelakesandfields.Itscalledsnow-fering.Wehaveaboardliketheboardweuseforsnowboardingandweuseakindofsail.Itsakindofwindsurfingonthesnow.Itswonderful.Exerciseforhomework:1、写出动词的正确形式:2、球的玩法：3、根据要求写运动名称:4、用恰当的词不全下列句子。5、选词填表。6、用正确的词或短语填空。7、用恰当词不全句子。二

45、、Listening:A. Completetheexerciseonpage18.B. ListenagainandUllintheblanks.1. Ingymnastics,theperfectscore-thehighestnumberofpointsthatanathletecanget-is10points.IntheOlympicgamesinMontrealin1976,NadiaComanecifromRomaniaachievedsevenperfectscoresandwonthreegoldmedalsandtheall-roundtitleingymnastics.N

46、adiawasonly14atthetime,youngerthanmostoftheotherathletesingymnastics.Butshewasnttheyoungestathleteinthe1976games.2. RobinConsigliawonasilvermedalwiththeUSswimmingteam.Shewasonly13.WhowasthemostsuccessfulOlympicathleteever?AnAmericancalledRaymondEwry.Betweenthe1900PairsOlympicsandthe1908OlympicsinLon

47、donEwrywon10goldmedals.ThismakeshimthemostsuccessfulathleteinOlympichistorynootherathletehasasmanygoldmedalsasEwry.Ofcoursetodaysathletesjumpmuchhigherandfurtherthanhedid.Ewrysrecordswereonepointsixfivemetersinthehighjump-hedidthisinPairsin1900-andin1908inLondonhedidthreepointfoursevenmetersinthe10n

48、gjump.3. Oneofthemostextreme(极限/极端的)sportsisfreediving,goingdownunderthewaterwithoutoxygen.Andonediverholdstherecod:162metres.Heachievedthisamazingrecordon18thJanuary2000onhis38thbirthday.Buthebelievesthathecangodeeper-maybeasfaras200meters!InMay2001,afterpracticinghardfortwoyears,PipinswifeAudreyse

49、ttheworldrecordforfreedivingamongwomen-130meters.Sadly,AudreydiedonOctober12th2002whileshewastryingtobeatherhusbandsrecord.三、Grammar:A.形容词和副词的比较级和最高级规则变法：一般加er,est.末尾只有一个辅音字母的把y变为i再加er,est.三个音节以上的词和部分双音节词在前面加more,most.不规则变法如：goodbetterbest,badworseworst,many/muchmoremost,littlelessleast程度副词：1)程度高：mu

50、ch,far,a10t2)程度低：abit,alittle同级比较：as+形容词或副词的原级+as比较的对象例句：LucyisastallasLily.TomisasoldasJim.IamnotashandsomeasTomCruise.=TomCruiseismorehandsomethanme.LiuXiangisnotastallasYaoMing.=YaoMingistallerthanLiuXiang.YaoMingdoesnotrunasfastasLiuXiang.=LiuXiangrunsfasterthanYaoMing.EnglishisnotsodifficultasC

51、hinese.=EnglishiseasierthanChinese.B.形容词变副词的变法：1 、规则变法：词尾加ly.2 、不规则变法：goodwellhard-hardfast-fastCompletetheexerciseonpage19.四、Reading:戏剧性变化的/引人注目的dramatic比赛contest赛事event常规的/经常的regular位置/地位position紧张地nervously很棒地brilliantly有信心的confident练习/实践practiceBreakandmemorize:戏剧性的dramatic常规的regular位置position紧张

52、地nervously有信心的confident实践practiceCompletetheexerciseonpage20,21.五、EverydayEnglish:Howwas?XXX怎么样？Haveagoatsb.对XXX发火。Holdon.等一下。Imoff.我要走了。Rehearsal排练/彩排Advert广告FinishthetaskonPage22,23六、Writing:ThisispartofaletteryoureceivefromanEnglishPenfriend.应试技巧In-you信膜xt ：letter，pleasetellmeallaboutthesportsyou

53、do.Whatsyourfavoriiesport?Howoftendoyoudoit?WhydoyouJjke_dojngii?DearTom,Iamverygladtohearfromyou.Thankyouforyourletter.Howiseverythinggoingrecently?Inyourlastletter,youaskedmeaboutmyfavoritesport.Now,Idliketotellyouwhatyouwanttoknow.（回答来信中提出的所有问.（问一个相关的问题）,Iamlookingforwardtoyourreply.Bestwishes,Yo

54、urs,Jeff满分标准：1、格式正确-正式的书写格式2、内容全面一回答所有问题3、语言高级-使用PET语法4、字数达标-100-110词之间5、卷面整洁-书写工整，不准涂抹七、Homework:1）完成讲义上所有练习2）背讲义上的所有的生词3）同步练习题选作4）背诵“回信模板”，写回信5）听录音，跟读、朗读课文5遍（讲义中，二、listeningB）Unit4Ourworld、Vocabulary:Thefragileplanet（脆弱的星球）脆弱/易受伤的fragile龙卷风tornadotwister旋风whirlwind雷雨thunderstorm飓风hurricane速度speed迷

55、人的/吸引人的fascinating标志/迹象sign全球气温globaltemperature气候变化climatechange全球变暖globalwarming上升/增加riseincrease原因reason原因/导致cause种类type自然地natural人类活动humanactivity伐木cuttingdowntrees燃油burningoil继续continue南北极thepoles融化melt海平面sealevel消失disappear完全地completely沿海城市coastalcities除非unlessToprotecttheenvironment（保护环境）垃圾ru

56、bbishgarbagelitter浪费/废弃物waste工厂废气factoryfumes发电站powerstation污染pollutepollution大气层atmosphere热带雨林rainforest回收recycleBreakandmemorize:脆弱fragile龙卷风tornado雷雨thunderstorm飓风hurricane迷人的fascinating全球的global气温temperature气候climate继续continue消失disappear垃圾garbage污染pollute大气层atmosphereCompletetheexerciseonpage25.二、Grammar:将来时与主将从现W川表示肯定的预测：IlovethisbookandIwillbuyit.Might表示不肯定的预测：Hemightcometotheparty.Iamnotsure.第一条件句：IfitrainstomorrowIwillnotgoout.Hewillbuymeapresen