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1、九年级英语第12单元第1课时学案Unit12Lifeisfulloftheunexpected・SectionA(la—2d)【学习目标】1.学习并掌握下列单词和短语：unexpected,bythetime,backpack,oversleepfoverslept,overslept),give...a"ft2.能熟练掌握并使用下列重点句式：(1)BythetimeIgotup,mybrotherhadalreadygottenintheshower.(2)ButbeforeIgottothebusstop,thebushadalreadyleft.(3
2、)Well,atleastbythetimeyougottoschool,youwereonlyfiveminuteslateforclass・【重点难点】重点：过去完成时难点：过去完成时和现在完成时的区别。【新知预习】根据句意及首字母或汉语提示完成单词。1・—Whydon'tyouhaveyourEnglishbookwithyou?—I'veIitathome・2.BythetimeIgotup,mybrotherhadalreadygintheshower.3.1hadothatday,whenIwokeupitwasalready12o'clock
3、.4.Haveyourtheimportsneeofstudyinghard?5.—Whereisyourbrother?——Heistakingashowerintheb.［课堂探究j1.BythetimeIgotup,mybrotherhadalreadygottenintheshower.当我起床时，我哥哥已经在淋浴了。(教材89页)bythetime意为“到……吋为止，在……以前”,引导吋间状语从句，从句常用一般过去时，而主句常用过去完成时。过去完成时态表示〃过去的过去〃，其构成：had+过去分词。此处表示馆etintheshower"这个动作发生
4、在馆etup〃动作Z前。例如：BythetimeIcamein,Tomhadwrittenhisnameontheblackboard•当我进来时，汤姆已经把他的名字写在黑板上了。【针对练习】①当我昨天回到家的时候，妈妈已经吃完饭了。Igothome,mumherdinner.②Bythetimesheherroom,herfatherhadgonetowork.A.cleanB・cleansC・cleaningD・cleaned2.WhenIgothome,IrealizedIhadleftmykeysinthebackpack.当我到家的时候，我意识到
5、我已经把钥匙忘在背包里了。(教材90页)leavesth+.in(at,on)somewhere意为"把某物忘在某处(地)"。forget和leave表示”忘了"时，如后有地点状语,则用leave,而不用forget。I针对练习】①Don'ttoturnoffthelightwhenyoutheclassroom.A.forget;forgetB.forget;leaveC.leave;leaveD.leave;forget②他经常把作业忘在家里。Heoftenhishomeworkathome・【达标练习】I・用所给词的适当形式填空1.Mr.Zhang(
6、teach)Englishfor5yearsbeforehecamehere・2.Bythetimehe(come)in,theteacherhadstartedteaching.3.1(live)inBeijjngfortenyearsbeforeImovedtoQingdao.4.Whenwegottothestation,thetrain(leave).5.Whenwe(get)totheairport,theplanehadtakenoff.II•单项选择1.—Sorry,Imynotebookathome・—Itdoesn'tmatter.But
7、don'ttobringittoschoolthisafternoon.A.leave;forgetB.left;forgetC.forget;leaveD.forgot;leave2.1haveneverJapanbynow.A.beeninB.beentoC.gonetoD.gonein1.Unluckily,thetrainalreadywhenIgottothestation.A.has;leaveB.had;leaveC.has;leftD.had;left2.HowmanyEnglishsongsyoubytheendoflastterm?A.
8、have;learntB.have;learnedC.had;le
