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八年级英语(下)第2单元第4课时Unit2I’llhelptocleanupthecityparks.SectionB1a—1e一、【教材分析】教学目标知识目标1.学习并掌握下列单词：repair;fix;fixup;

giveaway;takeafter;broken;wheel2.能正确使用以下常用表达：fixup;giveaway;takeafter3.能熟练掌握并使用下列重点句式：1)Itakeaftermymother.2)Ifixeditup.3)Igaveitaway.4)Jimmyfixesupb

rokenbicycleparts,likewheels.能力目标通过听说训练，学会提供帮助的解决方案。情感目标通过本课的学习，培养学生养成乐于助人的好习惯。教学重点Talkabouthowtoofferhelp.教学难点正确使用本课常用表达；听力训

练。教学方法情景教学法；任务型教学法。二、【教学流程】环节师生活动I.Preparation准备课前播放英文歌“Youaremysunshine!”达到烘托氛围和本节课话题热身的目的。1.FreetalkA:Doyoulikethesong?B

:Yes.It’sverybeautiful.A:Ok.I’msohappy!Doyouknowthenameofthesong?B:Youaremysunshine!A:Oh,yeah,youaremysunshine,becauseofyou,Ifeelsowa

rm!.2.Leadin(导入)活动一：分享一张我的照片，谈论身边的熟悉的人（同学）和不熟悉的人（师哥）做志愿者工作的示范，引出volunteer(志愿者）这个单词，形成“Theyarekind!Theyaregoodvolunteer

s!”活动二：Whenyouareintrouble,whatdoyouneedmost?(help)总结：Helpingothersishelpingourselves.II.Presentation呈现1.学习并掌握下列单词：rep

air;fix;fixup;giveaway;takeafter;broken;wheel2.能正确使用以下常用表达：fixup;giveaway;takeafter3.能熟练掌握并使用下列重点句式：1)It

akeaftermymother.2)Ifixeditup.3)Igaveitaway.4)Jimmyfixesupbrokenbicycleparts,likewheels.2.Leading-in“导入新课”1aMatchthesentenceswithsimilarmeanings.F

irstgothroughthesentencesbythemselvesandmatchthemthen.Keys:b-c-a-d3.Learnsomewordsandexpressions:repair;fix;fixup;giveaway;takea

fter;broken;wheelWritethemdownandmaketheirownsentences.Makemoresentences.III.Practice操练1.机械操练(MechanicalDrills)1bMatchthephrasalverbswiththenouns.T

henmakesentenceswiththephrases.1)runoutof;takeafter;fixup;giveaway2)mybike;money;myfather;oldclothesSharetheirresults(核对答案的时候，用图

片展示每个句子)Shareastoryaboutanna------Theschoolbaggirl!(readtogether)Wecanfollowanna’sexample,makethephrasesintoagoodstor

y!2.有意义操练(MeaningfulDrills)1cPairwork:1)Whocanyouseeinthepicture?2)Ishehappy?Listenandnumberthepictures1-4inthecorrectorderChecktheanswerstogether1d

ListenagainandcircleTorF.1)Jimmyfixesupbrokenbicycleparts,likewheels.2)Jimmysellsbicycles.3)Jimmytakesafterhismother.4)Jimmyhasrunoutofmone

y.3.交际性操练(CommunicativeDrills)1eSomestudentstalkaboutvolunteerwork,theteachercangivethemsomeadvice.Maketheirownconvers

ationsaccordingto1cand1d,andthensharetheirnewconversations.Thenmakeaninterviweandretellthestory.Sharethe

conversation:A:Whatdoyoudo,Jimmy?B:Ifixup„IV.ExtentionandConsolidation扩展与巩固1.Extention:thesharingbikesstory!(共享单车的故事)Therearesoman

ybrokensharingbikes,howtobeagoodvolunteertostopthemfrombreaking?2.Exercises:1.I___________(take)aftermymother.Y

outakeafteryourfather.2.I’ve_________(run)outofit.3.I_________(fix)itupand_________(give)itawaytochildrenwhodid

n’thavebikes.4.I___________(nothave)anymoreofit.5.Jimmy__________(sell)bikeseveryday.3.Afterclass,workingroups

.Thinkaboutthisquestion:“Whatarethedifficultiesyoumayfacewhendoingthevolunteeringwork?”.Comeupwithasmanysolutionsaspos

sibletodealwiththedifficulties.V.Examination检测1.引导学生小结梳理知识框架、规律、方法，并对合作小组当堂学习情况进行总结评价，巩固学生所获得的语言知识和经验，让学生在评价中反思，在反思中进步。Askoneofthestudentsto

saywhattheyhavelearnt.1)words_________________________________________2)phrases________________________________________3)sentences_

_____________________________________2.当堂检测(见学案)：教师随堂进行评价，批改可以由学习小组内互批、组间互批、集体订正等方法，批阅后教师统计达标情况,收集反馈信息，当堂矫正

补救。VI.Assignment作业1.口头作业:听并跟读录音，编对话，背笔记。2.书面作业：Rememberthenewwordsof1a-1e.Finishofftheexercises.Previewthenewwordsof2a-2e.三、【板书设计】Unit2I’llhelp

tocleanupthecityparks.SectionA1a—2e1)Itakeaftermymother.2)Ifixeditup.3)Igaveitaway.4)Jimmyfixesupbrokenbicyclepa

rts,likewheels.四、【教后反思】这节课师生配合默契，导入新颖，能把热点话题志愿者、共享单车和本节课结合起来，学以致用。同时教师也把重难点把握较好，收放自如，课堂容量大，能环环相扣，不断提升学生的能力，符合

学生认知水平。动词不定时用法小结是，动词不定式在句子中的各种成分学生很模糊，一点也不懂，对句子结构了解的太少了，因此这一块处理的不太好。