Unit 12 Life is full of the unexpected Section A (Grammar Focus-4c) 预习导学（无答案）

Unit12Lifeisfulloftheunexpected.(Period3)SectionA(GrammarFocus-4c)班级_________姓名_________学习目标学习目标学完这一课，你能够掌握：1．语法：过去完成时；2．能力：使用过去完成时和时间状语从句描述过去的事件；3．交际功能：使用句型“WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.”“BythetimeIgotbacktoschool,thebellhadrung.”“AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.”描述过去的事件。课前学习任务课前学习任务【学习任务一】词汇检测1．n.奶油；乳脂__________2．n.工作日__________3．赶到；露面____________________4．n.豆；豆荚__________5．n.市场；集市__________6．在（某时间点）以前____________________【学习任务二】阅读教材第92页，根据汉语提示写出英文句子。1．当我到达学校时，我意识到我把背包忘在家里了。_____________________________________________________________________2．我回到学校的时候，铃已经响了。_____________________________________________________________________3．我还没来得及到公交车站，公交车就已经开走了。_____________________________________________________________________4．玛丽起床时，蒂姆已经去了浴室。_____________________________________________________________________课堂学习任务课堂学习任务【学习任务一】1．用括号内所给单词的正确形式填空。（1）WhenIgotthere,thebus________(go).（2）BythetimeIgottoclass,theteacher__________(start)teaching.（3）I________(clean)theroombeforehearrived.（4）Mostoftheguests________(leave)bythetimehearrivedattheparty.2．观察GrammarFocus中的句子，写下你的发现及疑问：WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgotbacktoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.Notes:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________【学习任务二】按要求完成下面的句子。1．JennyhadalreadycleanedtheroomwhenIcalledher.（改为否定句）_______________________________________________________________________2．Hehadleftbeforeshecouldsayaword.（改为一般疑问句）_______________________________________________________________________3．BythetimeIarrived,Tomhadfinishedthework.（对画线部分提问）_______________________________________________________________________4．ShewenttoShanghai.Iarrivedthere.（用bythetime连成一句）_______________________________________________________________________【学习任务三】Makesentencesusingbythetimeorbefore.1．Timwentintothebathroom. Marygotup.BythetimeMarygotup,Timhadalreadygoneintothebathroom.2．Thecoffeebecamecold. Iputcreaminthecoffee.____________________________________________________________3．Theteachercollectedthemathhomework. Igottoschool.____________________________________________________________4．Icompletedtheworkformyboss. Theworkdayended.____________________________________________________________5．Themoviestarted. Iarrivedatthecinema.____________________________________________________________6．Mymotherfinishedmakingtheapplepie.Igothomefrommylanguagecourse.________________________________________________________________________________________________________________________【学习任务四】1．写出下列单词的过去式和过去分词。原形过去式过去分词rushforgetarrivegoshowfind2．Fillintheblankswiththecorrectformsofthewordsinthebox.rushoutforgetarriveatgointoshowupfindout（1）BythetimeIarrivedattheparty,everyoneelse______already_________.（2）Whenheputthenoodlesintoabowl,herealizedhe____________toaddthegreenbeans.（3）Bythetimemymothercamebackfromthemarket,I______already__________ofthedoortogotomypianolesson.（4）Beforeshegottotheairport,she___________abouttheearthquake.（5）Whenshe___________themovietheater,sherememberedshehadforgottentofeedherdog.（6）Beforeshegotachancetosaygoodbye,he____________thebuilding.【学习任务五】Writetwotruestatementsandonefalsestatementaboutyourdayyesterday.Thenaskyourclassmatestoguessthefalsestatement.1．BythetimeIleftforschoolinthemorning,____________________________________2．Bytheendoftheschoolday,_______________________________________________3．Bydinnertime,I_________________________________________________________【学习任务六】小组探究1．showup意为“________________”，为不及物短语动词，后面______（能/不能）接宾语。2．阅读并总结句中画线部分的用法。·Bytheendoflastmonth,Ihadplantedseveralthousandtrees.·Hewillcomebytheendofthemonth.·Youwillfindthehospitalattheendoftheroad.·HecamebackattheendofMarch.·Hesucceededintheend.（1）bytheendof意为“__________________________”，仅指时间，指某一动作在某时间点以前或到某一时间段为止就已发生或完成，多用于_______________________时态中。（2）attheendof意为“_______________________”，后面可接________或________，通常与_______________________时态连用。（3）intheend意为“__________________________”，相当于__________________。本课小结本课小结请根据本课所学内容，列出关键词或画出你的思维导图吧！课后任务课后任务根据自己的实际情况，运用过去完成时和when、bythetime、before造句。（不少于三句话）_______________________________________________________________________________________________________________________________