unit1grammar新.ppt

Unit1PastandpresentGrammar,Iatemybreakfastat6:30thismorning.,Ihavealreadyhadmybreakfast.(Iamfullnow.),IsawThelifeofPieamonthago.,IhavealreadyseenThelifeofPie.(Iknowsomethingaboutitnow.),Youfinishedyourholidayexercisesinthewinterholiday.,Youhavealreadyfinishedthem.,Iclosedthedoorjustnow.,Ihavejustclosedthedoor.(Thedoorisclosednow.),我们还用现在完成时(Presentperfecttense)来谈论:1,过去发生仍与现在有某些联系或有影响的动作或情况。,Ihavebeenateacherfor25years.（时间段）,IamanEnglishteacher.,IhavebeenateachersinceIleftmycollege198825yearsago.(过去的时间点),Ibecameateacherin198825yearsago.,YoulearnedEnglish5yearsago.,YouhavelearnedEnglishsince5yearsagoyouwereinprimaryschool.（过去的时间点）,YouhavelearnedEnglishfor5years.（时间段）,我们用现在完成时(Presentperfecttense)来谈论:2,过去发生延续到现在的动作或情况。,现在完成时(Presentperfecttense),have/has+PP（动词的过去分词）,Have/Has+主语+动词的过去分词,一般疑问句,Underliningthepresentperfecttenseinthefollowingsentences,1Theyhavelearnedabout20ChinesesongssincetheycametoChina.2Hasheplayedcomputergamesforonehour?Yes,hehas.3Mydaughterhaswatchedthegameafewtimes.,Formingthepastparticipleofverbs,一些不规则动词的过去式和过去分词,原形过去式过去分词dodiddonecomecamecomeseesawseenhearheardheardforgetforgotforgottenwritewrotewritten,Writingthepastparticipleformsofthefollowingwords,1finish2repair3visit4decide5travel6own7be,finished,repaired,visited,decided,traveled/travelled,owned,been,写出下列动词的过去式和过去分词:,begiveseemakeputcomewrite,was/werebeengavegivensawseenmademadeputputcamecomewrotewritten,注:不规则动词见书上122页不规则动词表.,FinishingPartAonpage14,1borrow2hope3make4get5plan6cry,7send8watch9say10grow11hit12enjoy,1borrow2hope3make4get5plan6cry,borrowedhopedmadegotplannedcried,sentwatchedsaidgrewhitenjoyed,FinishingPartBonpage141They_(finish)theirhomeworkalready.2John_never_(visit)China.3MrLi_(repair)overtenbicyclessinceMonday.4We_(notsee)eachotherforyears.5Myparents_(notcome)backyet.6.Ourteacher_(teach)usalotaboutthehistoryofChina,havefinished,hasvisited,hasrepaired,haventseen,hastaught,haventcome,FinishingPartConpage15M:_you_(see)anyfilmsrecently,Sandy?S:No,Ihavent.Whataboutyou?M:Well,I_(see)onelastSaturday.S:Whatisitabout?M:ItsaboutthechangesinBeijingoverthepastcentury.Fromthisfilm,I_(learn)moreaboutBeijingspastandpresent.S:Oh,IthinkI_(hear)aboutthefilm.Doyouplantoseeitagain?M:Yes,Idliketo.,Have,seen,saw,haveheard,havelearnt,Eddiewasbornfouryearsago.,past,present,EddiehaslivedwithMilliesincehewasborn.,past,present,EddiehaslivedwithMillieforfouryears.,since和for:,1)EddiehaslivedwithMilliesince2001.EddiehaslivedwithMilliesince4yearsago.EddiehaslivedwithMilliesincehewasborn.,小结:since+时间点（词、词组或句子）,2)EddiehaslivedwithMillieforfouryears.,小结:for+时间段,3)对以上句子划线部分提问:,HowlonghasEddielivedwithMillie?,WehavelearnedEnglish_GradeThreeinprimaryschool.WehavelearnedEnglish_fiveyears.2.Hehasntfeltwell_lastnight.Hasheseenthedoctor?3.Ihavereadthisstorybook_threedaysago.Ihaventfinishedreadingityet.,选用since或for填空:,since,for,since,since,4.Ithassnowed_twodays.Everythingiscoveredwithsnow.5.Wehavecleanedtheclassroom_halfanhour.6.Wehavestudiedatthisschool_2003.,for,for,since,just,recently是完成时的时间状语，justnow有amomentago之意，是一般过去时的时间状语。Thetrainhasjustarrived.（火车刚到。）DidyouseeTomjustnow?（你刚才看到汤姆了吗？）Haveyouvisitedyouroldfriendslately/recently?（你最近有拜访你的老朋友吗？）,上一页,下一页,just,recently是完成时的时间状语，justnow有amomentago之意，是一般过去时的时间状语。I_(lose)mypenjustnow.I_just_(lose)mypen.（我刚才丢了钢笔）She_just_(buy)abook.She_(buy)abookjustnow.（她刚才买了本书）,上一页,下一页,lost,have,lost,has,bought,bought,ever和never也是现在完成时常见的时间状语。前者意思是“曾经”，多见于疑问句中又可用于肯定句；后者意思是“从来没有”，表示全部否定。“Haveyoueverseenthefilm?”“No.Ihaveneverseenit.”（“你曾经看过这部影片吗？”“没有，从来没看过。”）ItsthebeststoryIhaveeverread.（这是我读过的最好的一个故事。）,上一页,下一页,already和yet常见于现在完成时中，有“已经”之意。前者一般用在肯定句中，后者用在疑问句中。yet在否定句中有“还”之意。“Hasthebusleftyet”?“Yes.Ithasalreadyleft.”(“No.Ithasntleftyet.)“汽车开走了吗？”“是的，已经开走了。”“不，还没有开走。”,上一页,下一页,“already”用于现在完成时的肯定句中,“yet”用于现在完成时的否定句和疑问句中.用“already”“yet”填空Hehas()visitedmanyplacesinChina.()注意already在句中的两种位置.Thetrainhasntarrived.火车（到现在）还没有到。Hasshearrived?她已经到了吗？Hasnthecome?她还没来吗？,already,already,yet,yet,yet,1.Theboyhasalreadygonehome.（改为一般疑问句）_2.Thegirlhasnotgivenittomeyet.（改为肯定句）_3.TheyhavevisitedtheIceIslandalready.（改为否定句和一般疑问句）,句型转换,Hastheboygonehomeyet?,Thegirlhasalreadygivenittome.,TheyhaventvisitedtheIceIslandyet.HavetheyvisitedtheIceIslandyet?,Completingthesentenceswiththecorrectonesinbrackets1Haveyoudoneyourhomework_?(for,just,yet)2Ihave_beentoChengdu.(for,never,yet)3Hehasworkedthere_heleftschool.(already,just,since)4ShehasknownSam_nineyears.(for,never,since)5Haveyou_riddenahorse?(ever,for,yet),yet,never,since,for,ever,6Theyhave_arrived.(ever,just,yet)7Hehas_washedthedished.(already,ever,for)8Wehavenotcompletedtheproject_.(already,for,yet),just,already,yet,1.He_(wait)foranhour.2.I_(notfinish)theworkyet.3._you_(know)himsincethen?4.I_(nothear)frommybrotherforalongtime.5.We_(be)theremanytimessince3yearsago.,Fillintheblankswiththecorrectformsoftheverbs.,haswaited,haventfinished,Have,known,haventheard,havebeen,6.Howlong_you_(stay)athomealready?7.He_(notread)thebookbefore.8.Hersister_(go)toChangchun.She_(leave)thismorning.9.He_(live)inhishometownsincehelefthere.10.Thewriter_(finish)severalstory-bookssince1990.,have,stayed,hasntread,hasgone,left,haslived,hasfinished,Fillingintheblankswiththewordsgiven1She_(wait)fortwohoursalready.2They_(notfinish)theprojectyet.3_you_(hear)frommysisterrecently?4Mark_(be)therefortwodays.5_theyever_(stay)athomealone?6I_never_(watch)thisfilm.7Daniel_just_(arrive)home.8We_(noteat)anythingsincethen.,haswaited,haventfinished,Have,heard,hasbeen,Have,stayed,watch