八年级英语下册《module 5 problems unit 3 language in use》教案 外研版

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1、Unit3LanguageinuseⅠTeachingmodelRevisionandapplicationⅢTeachingaims1.Tosummariseandconsolidateif-clauseandthevocabulary.2.Tolearnthenewwords:hurryup,shelf,steal.ⅣTeachingaidsTaperecorder,OHP,handoutsⅥTeachingStepsStep1RevisionReviewthetextofUnit1andUnit2Step2Languagepractice1.Readt

2、hroughtheexamplesentencesintheboxwiththewholeclass.2.Askthemtoidentifytheelementswhichhavebeenhighlighted.(theverbsfortwoclausesofthefirstconditional).Step3Grammar语法学习：if引导的条件状语从句的用法(2)一）时态呼应　　一般来讲，复合句都要遵循主、从句时态呼应规律，状语从句也不例外。即主句用现在时，从句也用现在时；主句用过去时，从句也用过去的某种时态。具体地讲，主句是一般现在时(包括祈使句和含有

3、情态动词can,may,must等)，从句也用一般现在时。例如：Haveagoodrestifyouaretired.如果你累了，就好好休息一会儿吧。Youmustseethedoctorifyouareill.如果你生病了，就必须去看医生。　　这里提醒大家特别要注意：如果主句是一般将来时态，这时从句不可以用将来时态，而要用一般现在时。例如：Iwon’tgotherewithyouifitrainstomorrow.如果明天下雨的话，我就不和你一起去那儿了。Ifwedonothing,therewillbeonlystandingroomontheearth

4、.假如我们不采取任何措施，地球上将只有站的地方了。二）主从句的位置　　大多数情况下，从句可以位于主句之前，也可以位于主句之后。不过从句在前时，主从句之间必须用逗号隔开。例如：Pleasetellmeifhecomesback.=Ifhecomesback,pleasetellme.如果他回来了，请告诉我一声。Step4Doexercises:A.Rewritethesentenceswithif.1.Listeninclass,oryouwon'tunderstandwhattodo.2.Eatsomebreakfast,oryou'llgethungrya

5、tschool.3.Hurryup!We'llbelate!4.Readtheinstructionscarefully.Thenyou'llknowwhattodo.Answers:1.Ifyoudon'tlisteninclass,youwon'tunderstandwhattodo.2.Ifyoudon'teatsomebreakfast,you'llgethungryatschool.3.Ifyoudon'thurryup,we'llbelate.4.Ifyoureadtheinstructionscarefully,you'llknowwhatto

6、do.B.Completethesentences.Giveadvicewiththecorrectformofthewords.1.—Iwanttogethighscores.—______________________________(workhard/dowell)2.—HowcanIremembermyfriends'birthdays?—____________________________(keepanoteinyourdiary/notforget).3.—It'slate,butIdon'twanttogotosleep.—_______

7、______________________(notgetenoughsleep/feeltiredatschool).4.—Idon'tlikespeakingEnglishoutsidetheclassroom.—_________________________(notpractise/notimprove).5.—ShouldItellmyteacherIdon'tunderstandthehomework?—________________________________(nottellher/she/notabletohelpyou)6.—Isi

8、tOKifIwatchTVforsixhours?—