Unit8SectionAGrammarfocus4c課件人教版八年級英語下冊

Unit8HaveyoureadTreasureIslandyet?SectionAGrammarFocus-4cLearningaims:1.掌握本課時(shí)單詞及短語：

sciencefiction;technology;French;can'twaittodosth2.現(xiàn)在完成時(shí)的構(gòu)成及用法。3.現(xiàn)在完成時(shí)與一般過去時(shí)的區(qū)別。arriveonthisislandmakeaboatbringbackgiveupwaitforcutdownbuildahouse到達(dá)這個(gè)島制作一只船帶回來放棄等候砍倒建房子Revisionkill…forfoodthemarksofanotherman’sfeetwhoelseseesb.doingsth.runtowardshelpsb.dosth.namesb.…teachsb.sth.殺死……作為食物另一個(gè)人的腳印還有誰看見某人正在做某事朝……跑幫助某人做某事給某人起名為……教某人某事GrammarFocusHaveyoureadLittleWomenyet?Yes,Ihave./No,Ihaven't.HasTinareadTreasureIslandyet?Yes,shehas.Shethinksit'sfantastic.Haveyoudecidedwhichbooktowriteaboutyet?Yes,Ihave.I'vealreadyfinishedreadingit.Itwasreallygood.Tip1:payattentiontothekeywords.Tip2:payattentiontothestructures.用法

1:

表示過去發(fā)生或已經(jīng)完成的某一動(dòng)作對現(xiàn)在造成的影響或結(jié)果。常跟already,yet,just,ever,never,before，sofar（到目前為止）等時(shí)間狀語現(xiàn)在完成時(shí)構(gòu)成：have/has+v過去分詞havebreakfastI’mnothungrynownowpastIhavealreadyhadbreakfast.e.g.I’veknownBobforthreeyears.Ihaven’tseenhersincelastyear.2.表示動(dòng)作或狀態(tài)從過去某一時(shí)刻開始，一直延續(xù)到現(xiàn)在，而且可能還要繼續(xù)下去。常跟for,since引導(dǎo)的時(shí)間狀語

用already或yet填空：

–Havetheytakendowntheoldpictures______? –No,not_____.Mostofushave_________finishedourcompositions.3)Hesaidhehadn’tvisitedthemuseum______.

活學(xué)活用yetyetalreadyyet用since或for填空：Wehavelearnedfivelessons_______thebeginningofthisterm.Mrs.Liaohasbeeninhospital_______lastweek.Ihavestayedatmyaunt’s_______twoweeks.

sinceforsince活學(xué)活用現(xiàn)在完成時(shí)與一般過去式的區(qū)別現(xiàn)在完成時(shí)用來表示之前已發(fā)生或完成的動(dòng)作或狀態(tài)，其結(jié)果的確和現(xiàn)在有聯(lián)系，動(dòng)作或狀態(tài)發(fā)生在過去，但它的影響現(xiàn)在還存在；而一般過去時(shí)表示過去的事實(shí)，不表示和現(xiàn)在的關(guān)系。

2.現(xiàn)在完成時(shí)為過去發(fā)生的，強(qiáng)調(diào)過去的事情對現(xiàn)在的影響，強(qiáng)調(diào)的是影響；過去時(shí)表示過去某時(shí)發(fā)生的動(dòng)作或單純敘述過去的事情，強(qiáng)調(diào)動(dòng)作。1.A:Wouldyoulikesomethingtodrink?B:No,thanks.______________________.(just/drinksometea)2.A:Iheardyoulostyourkey.____________________?(find)B:No,notyet.3.A:DoyouknowwhenTomisleaving?B:____________________.(already/leave)A:When______________?(leave)B:Thismorning.I’vejustdrunksometeaHaveyoufoundityetHehasalreadyleftdid

heleave4a4.A:Isyoursistergoingtothemovieswithustonight?B:No.__________________________.(already/seethefilm)5.A:Whatdoyourparentsthinkaboutourplan?B:I_________________________.(not/tellthem/yet)Shehas

alreadyseenthefilmhaven’ttoldthemyetSally_______(love)reading.Inthemorning,shereadsthenewspaperandintheeveningshereadsbooks.She_____already______(read)morethan100differentbooks!Herfavoritekindofbookissciencefiction.Sheisinterestedinscienceandtechnologyandlovestoimaginewhattheworld_________(be)likein50years.She__________(finish)readingabookaboutrobotslastweekand___________(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe____________(notread)yetandshecan’twaittoreadthem!loveshasreadwill

befinishedwill

writehasn’t

read4b構(gòu)成及規(guī)律現(xiàn)在完成時(shí)是由“助動(dòng)詞have/has+動(dòng)詞的過去分詞”構(gòu)成的，規(guī)則動(dòng)詞的過去分詞構(gòu)成與過去式相同，不規(guī)則動(dòng)詞的過去分詞則需逐個(gè)記憶。（課本p136-p137）基本句型肯定句否定句一般疑問句特殊疑問句1.I’vealreadyfinishedreadingit.2.Ihaven’tfinishedreadingityet.3.HaveyoureadLittleWomenyet?4.WhohavereadLittleWomenyet?主語+have/has+過去分詞+其他主語++haven’t/hasn’t+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？2分/空()—DoyouknowthemovieLostinThailand?—Yes.I______ittwice.It’sfunny.A.sawB.seeC.haveseenD.willseeC中考鏈接()—Lunch?—No,thanks.I__________.A.willeatB.ameatingC.haveeaten()—WhereisTom?Wecan’tfindhimanywhere.—Perhapshe_____home.A.hascomeB.isgoingC.wentD.wasgoingCA1.I________heardofthatstorybefore.A.don’thaveB.nothaveC.havenotD.nottohave2.Haveyoumadedumplings__________?No,Ihaven’t.A.justnowB.yesterdayC.agoD.before3.Tom________illsincelastnight.A.wasB.isC.hasbeenD.be4.Howlonghaveyou_________Nanjing?A.gonetoB.beentoC.beeninD.wenttoCDCCExercise7.I’ve______thisdictionaryforhalfayear.A.boughtB.hadC.lendedD.borrowed8.Shewon’tgotothecinemathiseveningbecauseshe________thefilmbefore.A.hasseenB.sawC.seesD.isseeing