Unit8SectionAGrammarFocus-4c課件人教版八年級英語下冊

Unit8

HaveyoureadTreasureIslandyetGrammarFocus4a-4cLearningobjects（學(xué)習(xí)目標(biāo)）By

the

end

of

the

class,youwillbeableto:1.Learnthefollowingkeywordsandphrases:fiction,sciencefiction,technology,French2.Masterthepresentperfecttense.3.Improvestudents’abilitytousethetargetlanguage.HaveyoureadLittleWomenyet?Yes,Ihave./No,Ihaven’t.HasTinaread

TreasureIslandyet?Yes,shehas.Shethinksit’sfantastic.Haveyoudecidedwhichbooktowriteaboutyet?Yes,Ihave.I’vealreadyfinishedreadingit.Itwasreallygood.GrammarFocusReadeachsentenceandfindoutwhattheyhaveincommon.現(xiàn)在完成時1.表示過去發(fā)生或已經(jīng)完成的動作對現(xiàn)在造成的影響或結(jié)果。常與just(剛才),already,yet,never,ever,sofar等時間狀語連用。一、現(xiàn)在完成時的用法①HaveyoureadLittleWomenyetYes,Ihave.I’vejusthadit.(現(xiàn)在不餓了)②Ihavealreadyreadthebook.(已了解書的內(nèi)容)例句2.表示從過去某一時間開始一直持續(xù)到現(xiàn)在的動作

或狀態(tài)，并有可能持續(xù)下去。常和for或since引

導(dǎo)的時間狀語連用。①Wehavebeengoodfriendssinceweweresixyearsold.②Ihavelivedherefor20years.(還可能繼續(xù)住下去)例句二、already與yet在現(xiàn)在完成時中的用法1.already意為“已經(jīng)”，常用于肯定句中，放在助動詞

have/has之后，過去分詞之前。2.yet用于疑問句或否定句中，放在句末。用于疑問句中，意為“已經(jīng)”；用于否定句中，意為“還（未）；尚（未）”。Ginahasalreadyreadthisbook.例句①Hasyourfathereatendinneryet②Ihaven’tseenthefilmyet.例句句式結(jié)構(gòu)肯定句否定句一般疑問句特殊疑問句主語+have/has+過去分詞+其他.主語+have/hasnot+過去分詞+其他.Have/Has+主語+過去分詞+其他特殊疑問詞+have/has+主語+過去分詞+其他havenot=haven't;hasnot=hasn't三、現(xiàn)在完成時的句型結(jié)構(gòu)have/has可與主語縮寫在一起，分別是′ve和′sIhave=I′vehehas=he′s

現(xiàn)在完成時

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

for+段時間,sofar等連用。常和yesterday,lastweek,justnow,in2012,twodaysago等具體的表示過去的時間狀語連用。與一段時間連用時，謂語動詞要用延續(xù)性動詞而不用非延續(xù)性動詞。謂語動詞沒有延續(xù)性或非延續(xù)性動詞的限制。四、動詞過去分詞形式的變化規(guī)則動詞過去分詞的規(guī)則變化：________________________stay→_______→_______work→_______→_______taste→_______→_______like→_______→_______study→_______→_______copy→_______→_______stop→_______→_______plan→_______→_______stayedstayedworkedworkedtastedtastedlikedlikedstudiedstudiedcopiedcopiedstoppedstopped與該動詞的過去式相同一般情況下直接+ed以不發(fā)音e結(jié)尾的直接+dplannedplanned以輔音字母+y結(jié)尾的，把y變i再+ed以重讀閉音節(jié)“輔元輔”結(jié)構(gòu)結(jié)尾的，雙寫尾字母，再+ed________________________________cut→_______→_______cost→_______→_______hit→_______→_______put→_______→_______

read→_______→_______hurt

→________→________

cutcutcostcosthithitputputreadreadhurthurt與該動詞的原形及過去式相同AAA型動詞過去分詞的不規(guī)則變化：_________________________________become→_______→_______come→_______→_______run→_______→_______

becamebecomecamecomeranrun與該動詞的原形相同ABA型動詞過去分詞的不規(guī)則變化：_______________________meet→_______→_______keep→_______→_______sleep→_______→_______make→_______→_______bring→_______→_______buy→_______→_______think

→________→________

teach→________→________metmetkeptkeptsleptsleptmademadebroughtbroughtboughtboughtthoughtthoughttaughttaught與該動詞的過去式相同ABB型動詞過去分詞的不規(guī)則變化________________________begin→_______→_______speak→_______→_______choose→_______→_______forget→_______→_______drive→_______→_______write→_______→_______break

→_______→_______

eat→_______→________beganbegunspokespokenchosechosenforgotforgottendrovedrivenwrotewrittenbrokebrokenateeaten原形與過去式都不同ABC型feel→_______→_______keep→_______→_______sleep→_______→_______feltfeltkeptkeptsleptslept動詞中間有倆e，去掉一個（e），后加tlend→_______→_______build→_______→_______send→_______→_______buy→_______→_______bring→_______→_______catch→_______→_______teach→_______→_______lentlentbuiltbuilt動詞字母d變t.變?yōu)橐?ought或-aught結(jié)尾.boughtboughtbroughtbroughtsentsentcaughtcaughttaughttaughtsee-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-had一、適當(dāng)形式填空1.I________(join)thebookclublastmonthandI__________(read)fivebooksalready.2.Ionly_________(start)takingFrenchclasseslastweekandI____________(learn)50Frenchwordsalready.joinedhavereadstartedhavelearntTip:Findthekeywordstoidentifywhichtensetouse.即時演練3.Tony__________(buy)apopmusicCDyesterdaybuthe______________(listen)toityet.4.They_______________(listen)tomanysongsbyTheBeatles,buttheycannot______(sing)anyofthem.5.She_________(see)thenewspaperonthetablethismorning,butshe__________(have)anytimetoreadityet.boughthasn'tlistenedhavelistenedsingsawhasn'thadTask2:Fillintheblankswiththecorrectformsofthewordsinbrackets.二、句型轉(zhuǎn)換。1.Hehasalreadyhadbreakfast.(改為否定句)He__________breakfast___.2.Ihavedonemyhomeworkalready.(改為一般疑問句)__________doneyourhomework____3.Theoldmanhaslivedhereforfortyyears.(對畫線部分提問)_____________theoldman_____herehasn’thadyetHaveyouHowlonghaslivedyetUsethewordsinbracketstocompletetheconversations.4a1.A:WouldyoulikesomethingtodrinkB:No,thanks._________________________.(just/drinksometea)2.A:Iheardyoulostyourkey.________________(find)B:No,notyet.I’vejustdrunksometeaHaveyoufoundit4.A:IsyoursistergoingtothemovieswithustonightB:No.__________________________.(already/seethefilm)5.A:WhatdoyourparentsthinkaboutourplanB:I___________________.(not/tellthem/yet)haven’ttoldthemyetShehasalreadyseenthefilm3.A:DoyouknowwhenTomisleavingB:_________________.(already/leave)A:When___________(leave)B:Thismorning.HehasalreadyleftdidheleaveFillintheblankswiththecorrectformsofthewordsinbrackets.4bSally_____(love)reading.Inthemorning,shereadsthenewspaperandintheeveningshereadsbooks.She______already_____(read)morethan100differentbooks!Herfavoritekindofbooksissciencefiction.Sheisinterestedinscienceandloveshasreadfiction強調(diào)虛構(gòu)、科幻的故事，不論長短。novel指有情節(jié)、人物、對白，虛構(gòu)的長篇小說。technologyandlovestoimaginewhattheworld______(be)likein50years.She_______(finish)readingabookaboutrobotslastweekand_________(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksattheman