八年级英语下册Module3JourneytospaceUnit3Languageinuse外研版.ppt

Module3JourneytospaceUnit3Languageinuse,Revision,1.ReadandrecitethewordsinModule3.2.Completethepassagewiththecorrectformofthewordsinthebox.,Ivejustmadeamodelspaceship.Wehavenotfoundlifeonanyotherplanetsyet.Astronautshavealreadybeentothemoon.Hasitarrivedyet?,Presentation,Grammar,现在完成时用在什么地方呢？,当我们要表达“某人曾经做过某事”,“某人已经做了某事”等意思时,英语要用“现在完成时”来表达。,否定句Ihavenotworked.He/Shehasnotworked.Theyhavenotworked.,肯定句Ihaveworked.He/Shehasworked.Theyhaveworked.,havent,hasnt,havent,现在完成时的结构：has/have+done(动词过去分词),She/He/It/或sb.的单数形式,hasdonesth.,I/We/You/They或sb.的复数形式,havedonesth.,现在完成时的一般疑问句形式是：,Hasdonesth.?,she/he/it/或sb.的单数形式,Havedonesth.?,I/we/you/they/或sb.的复数形式,现在完成时的肯定形式是：,我父母曾经坐船去大连旅游。她已经完成作业。我父母未曾坐船去过大连旅游。,MyparentshavetravelledtoDalianbyship.,Shehasfinishedherhomework.,MyparentshaventtravelledtoDalianbyship.,她还没有完成作业。你父母曾经坐船去大连旅游过吗？她已经完成作业了吗？,HaveyourparentstravelledtoDalianbyship?,Hasshefinishedherhomework?,Shehasntfinishedherhomework.,要表达“刚刚做完某事”“已经做完某事”时，我们同样可以用现在完成时。例如:Ihavejustheardthenews.Astronautshavealreadybeentothemoon.可以看出，just用来表示“刚刚”，already用来表示“已经”，一般置于have/has之后，两者都用于肯定句，在否定句中则要用yet,表示“还（未）”。例如：Thescientistshaventheardfromityet.,havebeento与havegoneto的区别,1.（1）have/hasbeento意为“曾经去过某地”，表示现在已经不在那里了。可与just,ever,never等连用。例如：,Ivejustbeentothepostoffice.我刚才去邮局了。HaveyoueverbeentoHangzhou?你曾经去过杭州吗？MaryhasneverbeentotheGreatWall.玛丽从未去过长城。,（2）have/hasbeento后面可接次数，表示去过某地几次。IvebeentoBeijingthreetimes.我去过北京三次。Theyhavebeentothatvillageseveraltimes.他们已经去过那个村庄好几次了。,2.have/hasgoneto意为“到某地去了”，表示到了某地或正在去某地的途中。总之，说话时该人不在现场，一般不用第一、第二人称代词作句子的主语。例如：WhereisTom?汤姆在哪里？Hehasgonetothebookshop.他到书店去了。,与现在完成时连用的几个副词：肯定句:疑问句和否定句:yet常置于句末already,never,ever,just一般置于助动词have/has之后，过去分词之前。,already,just,ever,yet,never,already,just,ever,yet,never,A:Haveyou?B:Yes,/No,(usingalready,just,ever,yet,never),SpaceshiponMarsAstronautshave_beentothemoonbuttheyhavenotbeentoanyotherplanets.However,aspaceshiphas_arrivedonMarsandithas_sentbackphotosoftheredplanet.IstherelifeonMars?Wedonotknow_.,1.Completethenewswithalready,justandyet.,Practice,already,already,just,yet,1.Astronautshavebeen/gonetothemoonandreturned.2.Thespaceshiphasbeen/goneintospace.Itwilltravelfortendays.3.Theastronauthasbeen/gonetothespacestation.Hewillcomebacktomorrow.4.Thespaceshiphasbeen/gonetothespacestation.Itbroughtbacktwoastronauts.,Choosethecorrectanswer.,have/hasbeenhave/hasgone1.Aspaceship_toMars.Itiscomingbacktoearthnextyear.2.Lotsofastronauts_tothespacestation.Theyfounditveryinteresting.3.Someastronauts_tothemoon.4.ABritishastronaut_tothespacestation.HewillcomebackinJanuary.,Completethesentenceswiththeexpressions.,hasgone,havebeen,havebeen,hasgone,Nicky:Ivejust_(watch)agreatTVprogrammeaboutspace.Doyouknowthatscientistshave_(discover)wateronMars?Bill:No!Really?Thatsveryinteresting._they_(try)tofindlifeonmars?,Completetheconversation.,watched,discovered,Have,tried,Nicky:Well,theyrelookingforlifebutthey_(notfind)anythingyet.Bill:_you_(see)thephotosofMars?Nicky:No.Whatdoesitlooklike?Bill:Itsred！,haventfound,Haveseen,DearLiFang,Ive_finishedreadingagreatbookatschool.Ihavent_anythingasgoodasthatforalongtime!Itsastoryaboutthesolarsystem.Inthebook,thewriterimaginesthatastronautshave_toMars.Ive_readthatbeforeandIthinkitsveryinteresting.,Completetheemailwiththewordsinthebox.,just,read,been,never,Ihavent_anyonefamousinmylifebutIhopeonedayIcanmeetanastronaut.Ive_toaChineseastronautformoreinformationaboutspaceandhisexperienceofspacetravel.Ihopehewillwriteback.Hehasnt_.Maybeheistoobusy.Imstillwaiting.Bestwishes,LiuDan,met,written,yet,Listenandcompletethenotes.,1.TheastronautjoinedCNSA_yearsago.2.Hehasflowninaspaceship_times.3.Hefelt_whenhewasinthespaceship.4.Hehasbeentothespacestation_.5.Theearthwasvery_whenhesawitfromthespacestation.6.Hedecidedtobeanastronautbecausehehasalwaysbeen_inspace.,InJuly1969NeilArmstrongbecamethefirst_towalkonthe_.Peopleallaroundtheworldwatchedtheirtelevisionswaitingforthe_to_theearth.Wehavenow_alotmoreaboutoursolarsystemandwehavesent_toMars,butnoonehaswalkedonthatplanet.Not_butIdonot_so