第三課時(shí)SectionA(GrammarFocus-4c)Unit8HaveyoureadTreasureIslead?---Ishehungry?---No,heisn't.Hehaseatenbreakfast.Warm-up---Arethegirlscleaningtheclothes?

---No.Theyhave

justcleaned

theclothes.GrammarFocusHaveyouread

LittleWomenyet?Yes,Ihave./No,Ihaven't.HasTinaread

TreasureIslandyet?Yes,shehas.Shethinksit'sfantastic.Haveyoudecidedwhichbooktowriteaboutyet?Yes,Ihave.I'vealreadyfinishedreadingit.Itwasreallygood.Howisthepresentperfecttenseformed?have/has+

過去分詞Findthepresentperfecttense.Haveyouread

HasTinaread

Haveyoudecided

I'vealreadyfinished

alreadyyetyetyetWhatadverbsareoftenusedwiththepresentperfecttense?Alreadyandyet.Haveyouread

LittleWomenyet?Yes,Ihave./No,Ihaven't.HasTinareadTreasureIslandyet?Yes,shehas.Shethinksit'sfantastic.Haveyoudecidedwhichbooktowriteaboutyet?Yes,Ihave.I've

already

finishedreadingit.Itwasreallygood.含現(xiàn)在完成時(shí)的句子如何構(gòu)成一般疑問句？將助動(dòng)詞have/has放在主語之前。一、現(xiàn)在完成時(shí)的基本結(jié)構(gòu)現(xiàn)在完成時(shí)由“助動(dòng)詞have/has+過去分詞”構(gòu)成，其基本句式結(jié)構(gòu)為：①肯定句：主語+have/has+過去分詞+其他.Ihaveseenthisfilm.②否定句：主語+have/hasnot+過去分詞+其他.Ihavenotseenthisfilm.③一般疑問句：Have/Has+主語+過去分詞+其他?肯定回答：Yes,主語+have/has.否定回答：No,主語+haven't/hasn't.—Haveyouseenthefilm?—Yes,Ihave./No,Ihaven't.現(xiàn)在完成時(shí)（一）和主語一致havenot=haven't;hasnot=hasn'thave/has常可縮略為-'ve/-'s●現(xiàn)在完成時(shí)的用法:表示過去發(fā)生或已經(jīng)完成的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。IhavealreadyreadTreasureIsland.Ihavereturnedthebooktothelibrary.Ihaveboughtanewhouse.1.規(guī)則變化（與動(dòng)詞過去式規(guī)則一樣，此類稱作規(guī)則動(dòng)詞）一般在詞尾直接加-ed以不發(fā)音的e結(jié)尾的，加–d以“輔音字母+y”結(jié)尾的，改y為i加-ed重讀閉音節(jié)以一個(gè)輔音字母結(jié)尾的，雙寫這個(gè)輔音字母后加–edwork→workedslice→slicedstudy→studiedstop→stopped-ed的讀音規(guī)則：①在元音或濁輔音后讀[d]，如tried[tra?d]，lived[l?vd]。②在清輔音后讀

[t]，如worked[w??kt]，stopped[st?pt]。③在[t][d]后讀[?d]，如mended[mend?d]，wanted[w?nt?d]。過去分詞的構(gòu)成2.不規(guī)則變化（此類稱作不規(guī)則動(dòng)詞，有很多）原形（不定式）過去式過去分詞bewas/werebeenhavehadhadchoosechosechosenputputputrunranrun參看課本P136-137IrregularVerbs（不規(guī)則動(dòng)詞表）see-saw-seen;be-was,were-beeneat-ate-eaten;break-broke-brokengo-went-gone;take-took-takensend-sent-sent;find-found-foundmake-made-made;have-had-hadv.-ed

的變化形式大部分與動(dòng)詞過去式形式相同，但是不規(guī)則動(dòng)詞的變化形式?jīng)]有規(guī)律，需要記憶●現(xiàn)在完成時(shí)的時(shí)間狀語:用副詞already和yet。already一般用于肯定句中,yet一般用于否定句和疑問句中。Wehavealreadyfinishedourhomework.

Wehaven’tfinishedourhomeworkyet.

Haveyoufinisheddoingyourhomeworkyet?

already一般用于肯定句，用于疑問句時(shí)表示驚訝，出乎意料。常放于句中，實(shí)義動(dòng)詞之前，助動(dòng)詞之后。yet一般用于否定句或疑問句。常放在句尾，notyet常用在答語中，意為“尚未；還沒有”。

現(xiàn)在完成時(shí)

一般過去時(shí)用法時(shí)間狀語謂語動(dòng)詞表示過去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響，側(cè)重于現(xiàn)在的情況。表示過去某個(gè)時(shí)候發(fā)生的動(dòng)作或存在的狀態(tài)，與現(xiàn)在無關(guān)。常和already,yet,just,ever,never,before,since,

for等連用。常和yesterday,lastweek,justnow,in2012,twodaysago等具體的表示過去的時(shí)間狀語連用。與一段時(shí)間連用時(shí)，謂語動(dòng)詞要用延續(xù)性動(dòng)詞而不用非延續(xù)性動(dòng)詞。謂語動(dòng)詞沒有延續(xù)性或非延續(xù)性動(dòng)詞的限制。4aUsethewordsinbracketstocompletetheconversations.1.A:Wouldyoulikesomethingtodrink?B:No,thanks.______________________.(just/drinksometea)2.A:Iheardyoulostyourkey.___________________________________?(find)B:No,notyet.I’vejustdrunksometeaHaveyoufoundityet?3.A:DoyouknowwhenTomisleaving?B:______________________.(already/leave)A:When__________________?(leave)B:Thismorning.4.A:Isyoursistergoingtothemovieswithustonight?B:No._____________________________.(already/seethefilm)Tom/HehasalreadyleftdidheleaveShehasalreadyseenthefilm5.A:Whatdoyourparentsthinkaboutourplan?B:I____________________________.(not/tellthem/yet)havenot/haven’ttoldthemyet4bFillintheblankswiththecorrectformsofthewordsinbrackets.Sally_________(love)reading.Inthemorning,shereadsthenewspaperandintheeveningshereadsbooks.She________already_________(read)morethan100differentbooks!Herfavoritekindofbooksissciencefiction.Sheisinterestedinscienceandtechnologyandlovestoimaginewhattheworld_______(be)likein50years.loveshasreadwillbeShe_______(finish)readingabookaboutrobotslastweekand_________(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe_______________(notread)yetandshecan’twaittoreadthem!finishedwillwritehasnotreadCompletethechartwithinformationaboutyouandafriend.ExperiencesYouYourfriendCommentsBooksIhavealreadyreadMoviesIhavealreadyseenSongsIhavealreadyheard4c1.She__________(notread)thebookyet.________you________(decide)whichbooktobuyyet?2.Tomwon'tgotothecinemawithusbecausehe________already________(see)thefilm.3.Davidhasn't________(finish)________(read)HarryPotteryet.4.We________just________(clean)theclassroom.5.I________(lend)mybiketoheryesterday,butshe____________(notgive)itbacktomeyet.Ⅰ.用括號(hào)內(nèi)所給單詞的適當(dāng)形式填空hasn’treadHavehasseenfinishedhavecleaneddecidedreadinglenthasn’tgivenExercisesⅡ.單項(xiàng)選擇1.—Theboymisseshisparentsverymuch.—Sohedoes.They_______thehometownfornearlytwoyears.A.haveleftB.willleaveC.havebeenawayfrom2.WilliamShakespeare______for400years,buthisworksstillhavegreatinfluencetoday.A.diedB.wasdyingC.hasdiedD.hasbeendead