初中英语祈使句的教案

1初中英语祈使句教案·GrammarFocusinUnit8II.TeachingaimsThesscanunderstandthedefiniteofimperativesentence,theformsofitandmastertheusageofit.III.Teachingkeypointsanddifficultpoints1.Thedefiniteofimperativesentence2.Thetwoformsofimperativesentence3.Theusageofimperativesentence.IV.Teachingstrategiesandaids1.InterestTeachingMethod2.CooperativeLearningMethod3.Activities4.PPTsandvideoV.Teachingprocedures:STEP1.RevisionDancetogetherwhilesingingthesongHandsup,handsdownSTEP2.Lead–inAftersingingthesong,I’llasksstositdown.“Sitdown,please.”’(writedownthissentenceontheblackboard).Thenaskthemtostandup.“Standup,please.”Then“Putupyourhands”,“Putdown”.“Bequiet,please”andsoon.(writedownthesesentencesontheblackboard).Thenletsstoreadthesentencesabovetogether.Afterreading,I’lltellss,“ThisisournewlessonImperativeSentence.”(Write“ImperativeSentence”ontheblackboard.)Thenaskss“DoyouknowwhattheImperativeSentenceis’andshowtheansweronthePPT.Step3.AGuessingGameShowsomewithpicturesonPPTtoss,andletthemtrytoguessoutthemeanings（usingImperativeSentences.）1.Turnleft.2.Turnright.3.Bequiet,please.4.Keepoffthegrass.5.Letmehelpyou.6.Don’tsmoke.(Nosmoking.)7.Don’tparkyourcar.8.Don’teathere.9.Don’tpicktheflowers.10.Don’tsleepinclass.2Thenaskthesstoreadthesentencestogether,andtrytodrawaconclusionoftheusageofimperativesentence.祈使句用法口诀：•祈使句，无主语，只要动词就可以；•表示请求或命令，加上please表客气；•如果变成否定句，Don’t开头是旋律；•NOtalking！是警示，祈使用法要牢记！Step4.PracticeGroupworkThispartwillbefinishedby2or3studentstogether.TheycanusethesentencesgivenonPPT.Hereisanexample.A:(toB)“pleaseopenthedoor.”B：goandopenthedoor.I’llasksomegroupstoshowtheirjobs,andshowmyopinionsfortheirperformancesuchas“quitegood!Welldone!Soexcellent”andsoon.Step5.Drawaconclusionandconsolidationa)Thenasksstoobservethesentencesagain.I’llhelpthemtodrawaconclusionoftheformsofimperativesentences.Thatis,肯定结构:(Positiveforms)•1.Do型(即:动词原形(+宾语)+其它成分)。•e.g:Pleasehaveaseathere.=Haveaseathere,please.•有的祈使句在意思明确的情况下,动词可省略。如:Thisway,please.=Gothisway,please.•2.Be型(即:Be+表语(名词或形容词)+其它成分)。•e.gBeagoodboy!•3.Let型(即:Let+宾语+动词原形+其它成分)。•e.gLetmehelpyou.否定结构:(Negativeforms)•1.Do型和Be型的否定式都是在句首加don’t构成。e.g,Don'tforgetme!•Don'tbelateforschool!•2.Let型的否定式有两种:•①“Don‘t+let+宾语+动词原形+其它成分”•②“Let+宾语+not+动词原形+其它成分”。•e.gDon’tlethimgo./Lethimnotgo.。•3.有些可用no开头,用来表示禁止性的祈使句。•No+n/doing+其他成分•e.gNosmoking!Nofishing!•b).Consolidation3①FinishtheexercisesonPPT.1.咱们一起玩吧2.请不要迟到.3.回答这个问题.4.请保持安静。5.不要让我走！②Iftimepermits,finishtheexercisesonP63,grammarfuntimeexercise1inclass.Step6.Summary祈使句结构总结如下：(WritethemontheBd)肯定：1.Do型2.Be型3.Let型否定：1.Don’t型2.Let型的否定式有两种:①“Don‘t+let+宾语+动词原形+其它成分”②“Let+宾语+not+动词原形+其它成分”。3．No型Step7.HomeworkFinishExercise2and3，onPage63-64inyourbooks