八年级英语下：Unit-10-Jobs-and-Chores-Part-2重难点讲解北师大版VIP专享VIP免费

Unit10JobsandChores一.教学内容：Unit10part21.现在完成时里already,yet的用法2.现在完成时延续性动词及非延续性动词的使用3.重点词组二.具体内容：I.yet和already都是副词，意思是“已经”.常与现在完成时连用。Already用于肯定句。e.g.Ihavealreadyfinishedmyhomework.Ihavealreadydoneittwice.yet常用于否定句和疑问句中，通常放在句尾。e.g.Ihaven’tfinishedmyhomeworkyet.Themeetingwillbeheldinhalfanhour,buttheyhaven’tgoteverythingreadyyet.II.现在完成时应注意的几点。1.现在完成时句中常见的时间状语A.表示从过去一直持续到现在，不能是具体的过去时间for+表示一段时间的词语since+表示过去时间点的词语since+表示过去的时间状语从句eg.Ihavebeenateacher______ayear.Hehasbeenatthisschool_______1992.Wehavelearned1,000Englishwords_______wecametothisschool.B.just,already,yet,before/ever,never有此类副词时，常强调动作完成，不强调动作的持续.eg.Haveyou_____beentoJapan?Ihave_____finishedmyhomework.Ihavefinishedmyhomework.Ihaven’tfinishedmyhomework____.2.区分短暂性动词与持续性动词.表示短暂性(瞬间性)的动词在现在完成时的句中不能和一段时间连用.即for,since短语或howlong问句e.g.Ihaveboughtthispenfor2months.Ihavehadthispenfor2months.Howlonghaveyourthispen?Theplayhasbegunforanhour.用心爱心专心Theplayhasbeenonforanhour.come/arrive-begoout–beoutleave-beaway/frombegin-beonbuy-haveborrow-keepjoin-beamemberofdie-bedeadcatchacold-haveacoldEx.Correctthemistakesinthefollowingsentences.Howlonghaveyoubecomealeaguemember？Formorethanoneyear.Haveyouarrivedheresincelastnight?Yes,you’reright.Thedoghasdiedforamonth.HehasgonetoShanghaitwice.Howlonghavebeenatthisschool?SincetwoyearsEx.Changethesentencesintothepresentperfect.1.Myfathercamebackfromthebookshopjustnow.Myfather______just______________thebookshop.2.HebegantolearnChinesein2001.He____________Chinesesince2001.3.Thefilmbegantwominutesago.Thefilm_________________sincetwominutesago.4.Hehashadthemotorbikefortwoyears.It’stwoyears______he________themotorbike.He________themotorbiketwoyears______.Twoyears____________sincehe______themotorbikeIII.重点词组。1.sofar---uptonowSofartheworkhasbeeneasy.2.usesth.todosth.Theyuseanimalstodofarmwork.Weusestampstosendletters.3.aswell;too;also;either;----Mysisterlikespopmusic.Ilikeittoo.----Ialsolikeit.Idon’tlikefootball.Mymotherdoesn’tlikeiteither.Heisateacherandheisawriteraswell.4.aswellasJohnaswellasJackwerepresentthatday.Theteacheraswellashisstudentsishere.用心爱心专心Heisinterestedinpaintingandwritingmusicaswell.Itisagreatgiftforhimaswellasforthewholefamily.5.hurryoff匆匆离去Hehurriedoffwithoutaword.6.taketurnstodoThetwosisterstookturnstocarefortheirsickmotherinhospital.Theboystookturnstoseetheexaminer.7.insteadofIfyouarebusy,I’llaskTomtodoitinsteadofyou.WhydidtheychooseTominsteadofDavid?［课堂练习］I.对画线部分提问。1.Ihavespokento10peopleabouttheproject.______________________________________________________________________?2.HehasworkedinParis_______________________________________________________________________?3.Shehasspent3hoursdoingherhomework.________________________________________________________________________?4.Ihavelearnedfromthejourneyhowtomakefriends.________________________________________________________________________?5.Theychangedtheemptyhouseintoaclub.__________________________________________________________________________?6.Hehasdrunkonebottleofmilk.__________________________________________________________________________?II.填空1.I’ve_______fedthecat,butIhaven’twashedthedishes_____.2._________washedtheclothesyet?Yes,I’ve____donethat/No,Ihaven’tyet.3._____youcleanedyourroomyet?No,Ihaven’t.4.Haveyouswepttheyard____?Yes,I’ve______finished.5.Haveyoufinishedyourhomework____?III.时态填空1.He______(go)toAmericatheyearbeforelast.2.--What_____you______(do)?用心爱心专心--I_____(be)ateacher.3.Doyoulike________(drink)milk?4.He_____________(nothave)hissupperyet.5.We________________(see)UncleLitomorrow.6.Joan’smotheroften_______atfour,nowshe(cook)7.He_____(read)abookwhentheaccident(happen).8._______(travel)byairisveryfast9.Letus______(wait)outside.10.Theteachertoldus_________(nottalk)anymore.用心爱心专心