八年级英语下册《Unit6Howlonghaveyoubeencollectingshells》教案Teachinggoalsofthisunit:1.Wordsandexpressionsinthisunit.2.现在完成进行时的用法。3.Patterns:Howlonghaveyoubeendoingsth?Ihavebeendoingsthsince….Hehasbeendoingsthfor…(periodoftime).4.谈论人们做某事持续多长时间。5.谈论人们的业余爱好。Importantanddifficultpoints:1.Wordsandexpressioninthisunit.2.现在完成进行时的用法以及与现在进行时和过去进行时的区别。Period1Teachingprocedures:Step1Leadingin1)Showthepicturesandthenewwords.Readandlearnthewordsandtheexpressions.Askstudentstotryreadingandthenfollowtheteachertoread.Readbythemselvesandtrytomemorizethepronunciationandthemeaningsfirst.2)AskSs:Doyouloveyouhometown?Wereyouborninyourhometown-thecityofRizhao?HowlonghaveyoubeenlivinginRizhao?Emphasizethemeaningof"howlong"and"livein",thengivethemtheteacher'sanswer:IhavebeenlivinginRizhaoformorethan30years.Say,inthisunitwe’regoingtotalkabouthowlongwe’vebeendoingthings.ThenhelptheSstryansweringthequestionaccordingtheirreality:IhavebeenlivinginRizhaofor15years.Askseveralstudentstoanswerthesamequestion.Thentellthemanotherwayofexpressingthetime:......since15yearsago/since1997/sinceIwasborn.Step2Pre-task1)Askoneofthestudentsthequestion:LiXizohu,whendidyoustudyEnglish?Helpthestudentanswer:IstudiedEnglishin2006..Thenask:howlonghaveyoubeenstudyingEnglish?Helphimtoanswer:IhavebeenstudyingEnglishsince2006./IhavebeenstudyingEnglishforsixyears.Repeattheactivitywithotherstudents.Thensummarizethedifferencesbetween'since'and'for'.LetSsgettoknowthem.2)ThenaskandanswerthesimilarquestionsaboutthepianistLiYundiandWangLihong.Thenshowthemtherulesofthepresentperfectprogressivetense.3)Practice.Dothememorygame.Askandanswerinpairs.Step3While-taskSBPage44,1a.1)Askstudentstolookatthepictureandanswerthequestions:whataretheydong?Whatisthewomaninthebluecoat?Andthenshowtheirnamesandask:Whoarestillskating?Whostoppedskating?.2)Asktheclasseachquestionandcallonseveraldifferentstudentstoanswer.SBPage44,1b.1)PlaytherecordingandgetSstofillinthechart.2)Correcttheanswers.Emphasizethedifferencesbetween"howlongdid....."and"howlonghave/has...beendoing..."SBPage44,1c.Pairwork.Getthestudentstoaskandanswer.Thenasksomepairstosaytheirconversationstotheclass.SBPage45,2a&2b.1)ReadtheinstructionsandhaveSsknowwhattodo.2)Playtherecording.Sswritedowntheiranswers.3)Correcttheanswers.Step4Post-taskSBPage45,2c.1)Readtheexampleinsampledialogueinactivity2c.2)Inpairs,roleplaytheinterviewbetweenAlisonandthereporter.3)Workinpairs.Onestudentisareporter,andtheotherisaninterviewee.Theyaretalkingabouttheirhobbies.Forexample,whatdoyoulikedoing?Whendidyoustartdoing...?Howlonghaveyoubeendoing...?Letthemmakeconversations.3)Asktwopairstosaytheirconversationstotheclass.Step5GroupworkMakeasurvey.Findthreeorfourstudentsinagroup,andthereisareporterineverygroup.Thenthereporterinterviewotherstudentsandaskthemwhathobbiestheyhave.Thenmakeareportlikethis:eg.Inourgroup,therearefourstudents.LiuYanlikesskating,andshestartedskatingwhenshewas10yearsold.Shehasbeenskatingfor5years.Tomlikesswimming......Step6Homework1)FinishtheexercisesinSectionA.2)Askyourparentswhattheylikedoing,andwriteaninterviewaboutitbyusingthepresentpecfectprogressivetense.3)Reviewthepresentperfectprogressive.