Unit7SectionA(4a-4d)课件人教版八年级英语下册

SectionA4a—4dUnit7AGoodReadLearningObjectivesInthislessonyouwill:1.masterthestructureandusageofpresentperfecttense.2.differentiatebetweensimplepasttenseandpresentperfecttense.3.applythetargetgrammarinreal-lifesituations.Pre-learningFillintheblanks.——彼得，你决定你的报告用哪本书了吗？——是的，我决定了。—_______you_________onabookforyourreport,Peter?—Yes,

I

_________.——彼得听说过这本书吗？——没有，他从没听说过。—HasPeter______heardofthisbook?—No,he’s_______heardofit.Havedecidedhaveevernever——陈杰读过这本书了吗？——没有，但她已经从图书馆借走了。—________ChenJie________thisbook________?—No,

butshe’s_______borroweditfromthelibrary.——你最近读了什么书?——我刚刚读完《三国演义》。—What_________youread_________?—I’ve_______finishedTheRomanceoftheThreeKingdoms.HasreadalreadyyethavejustrecentlyReadthesentencesandunderlinethepresentperfectformsoftheverbs.Payattentiontothemeaningsoftheboldwords.4a规则动词的过去分词和过去式构成相同。While-learning现在完成时（I）现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果。定义结构现在完成时（I）现在完成时是由“助动词have/has+过去分词”构成的，规则动词的过去分词与其过去式相同，不规则动词的过去分词则须加强记忆。过去分词的变化规则规则动词的过去分词与过去式的构成相同。不规则动词的过去分词须特殊记忆。例如：规则动词不规则动词protect—protected—protecteddance—danced—dancedtry—tried—triedstop—stopped—stoppedput—put—puthave—had—haddo—did—doneAAA型ABB型ABC型现在完成时不规则动词变化（部分）现在式过去式过去分词bringbroughtbuyboughtboughtcatchcaughtfeelfeltchoosechosechosenfindfoundfoundreadreadmeetmetmetbroughtcaughtfeltread[red][red]saysaidsaid现在式过去式过去分词bewas/werebeenbecomebecamebecomebeginbeganbegunbreakbrokebrokenchoosechosechosencomecamecomedrinkdrankdrunkdrivedrovedrivenflyflewflowngivegavegiven肯定句：主语

+

have/has

+

过去分词

+

其他.否定句：主语

+

have/has

+

not

+

过去分词

+

其他.一般疑问句：Have/Has

+

主语

+

过去分词

+

其他？特殊疑问句：疑问词+have/has

+

主语

+

过去分词

+

其他？现在完成时的句型转换语法秘籍标志词常用句型含义与功能everneveryetalreadyjust疑问句肯定句疑问句/否定句肯定句肯定句曾经，询问经历从未，否定经历刚刚，动作刚完成已经，动作完成还，迄今（否）；已经（疑）现在完成时的时间标志词alreadyyetjust意为“刚刚”，常用于肯定句中，放在助动词have/has之后，过去分词之前already,yet,never,ever与just在现在完成时中的用法意为“已经”，常用于肯定句中，放在助动词have/has之后，过去分词之前Amyhasalreadyfinishedherbookreport.常用于疑问句或否定句中、位于句末。用于疑问句中时，意为“已经”；用于否定句中时，意为“还（未）；尚（未）”HasAmyfinishedherbookreportyet?Amyhasnotfinishedherbookreportyet.Amyhasjustfinishedherbookreport.evernever意为“从不；从未”，用于现在完成时中时，表示否定，位于助动词have/has之后，过去分词之前I’venevergotlostinthiscity.意为“曾经”，常用于现在完成时的一般疑问句和肯定句中Haveyouevergotlostinthiscity?I’veevergotlostinthiscity.already,yet,never,ever与just在现在完成时中的用法现在完成时的标志词for+一段时间/

since+开始时间(从句)already/just/never/yet/eversofar/inthepastfewyears语法秘籍现在完成时与一般过去时的区别现在完成时与一般过去时都表示在过去做的动作，但现在完成时强调这一动作与现在的关系，如对现在产生的结果、影响等。一般过去时只表示过去的事实，不表示和现在的关系。一般过去时Heclosedthewindow.只叙述他过去做过“关窗户”这个动作，现在窗户有也许是开的，也许是关的。现在完成时Hehasclosedthewindow.这个句子包含了两个意思：一是他曾经关了窗户（Heonceclosedthewindow.)；二是强调动作与现在的关系，即现在这扇窗户仍然是关着的（Nowthewindowisclosed.)现在完成时一般过去时用法标志词只表示过去的动作或状态，与现在无关表示过去发生的某一动作对现在造成的影响或结果，强调的是现在的情况常和already,yet,never,ever,just,sofar,since,for等连用常和yesterday,lastweek,justnow,twodaysago等具体的表示过去的时间状语连用A:_________you__________(finish)homework?B:Yes,Ihave.A:When_________you___________(finish)it?B:I__________(finish)itat19:00.A:_________you___________(send)thelettertoyourcousinyet?B:Yes,I___________(send)itlastmonth.HavefinishedfinisheddidfinishHavesentsentFillintheblanks.4bCompletetheconversationswithever,never,just,already,oryet.1.A:Haveyou_______heardofthebookTheLittlePrince?B:No,I’ve_______heardofit.A:I’ve_______finishedreadingit.It'ssuchasimplestory,butyoucanlearnalotfromit!2.A:Haveyouchosenabookforyourbookreport_______?B:Yes,I'vechosenTheLittleMatchGirl.It'ssuchasadstory,butIloveit.I've_______startedwritingmyreport.everneveralreadyyetalready3.A:I've_______readaclassicnovelbefore.Couldyourecommendone?B:Well,I’ve_______finishedOutlawsoftheMarsh.It'sreallygood!A:Oh,thanks!CouldIborrowit?B:Sure!neverjust4cCompletethepassagewiththesimplepastorpresentperfectformsoftheverbsinbrackets.______youever_______(try)toreadbooksfromdifferentcountries?Atthestartofthisyear,I_______(decide)toreadbooksfromasmanycountriesaspossible.I_______(begin)withTheAdventuresofTomSawyer.NowI_______already_______(read)twentydifferentbooks.Thesebooks_______(teach)mealotaboutotherculturesandsocieties,andthey________(allow)metoseetheworlddifferently.Inthepast,Ionly_______(know)thenamesofdifferentcountries,butnowIunderstandthemalittlebitbetter.Thisexperiencehasbeenamazingsofar.Inever_______(realize)howbigourworldreallyis!HavetrieddecidedbeganhavereadtaughtallowedknewrealizedInterviewyourclassmatesandfindoutwhohasdonetheseactivities.4d·readallfourChineseliteraryclassics·watchedamoviebasedonanovel·readabookinadifferentlanguage·readabookmorethantwice·readabookwithmorethan500pages·joinedareadingclubInterview一、用所给单词的正确形式填空。1.Thefilmisverymovinganditis_________(base)onarealstory.2.H