人教版高中英语必修五Unit,1《Great,scientists》(Period,4)ppt课件

LessonPlanPresentation NewSeniorEnglishForChinaStudent sBook Unit Greatscientists Grammar TeachingObjectives 1 Knowledge TheSswilllearnsomethingaboutthepastparticipleasthepredicative attribute 3 Feelingandattitude 2 Skill TheSswillbeconfidentinlearningEnglish TheSswilldeveloptheskillofdoingrcises TheKeyPointandtheDifficultPoint TheSswilllearnsomethingaboutthepastparticipleasthepredicative attribute Teaching TeachingandStudyingWay Competition 3P teaching StudyingWay TeachingAids Blackboard PPT Grammar ThePastParticipleusedasAttributeandPredicative 1 MostofthescientistsinvitedtothepartywerefromSouthAmerica 2 Harvard foundedin1636 isoneofthemostfamousuniversitiesintheUnitedStates 3 Yourmotherisverydisappointedwithyou 4 Thetopofthemountainiscoveredwithsnow Translation 过去分词具有动词的性质 同时兼有形容词或副词的性质 在句中可以作表语 定语 状语和补足语 定语 在句中修饰名词或代词的成分 表语 是谓语的一部分 位于系动词之后 说明主语身份 特征或状态 一 作定语修饰名词或代词1 单个的过去分词作定语一般放在名词的前面 过去分词短语作定语通常放在被修饰的词后面 1 Theencouragedpeopleareexcited 2 Thebrokencupisthrownaway 3 Iwanttowritestoriesaboutpeopleaddictedtodrugs 4 Wearestudyinginaschoolbuilt70yearsago 2 过去分词修饰something everything anything nothing somebody nobody等不定代词或指示代词those时 要放在这些词的后面 Heisoneofthoseinvited Nothingreported inthenewspaper interestedhim 3 有些过去分词作前置定语和后置定语时意义不同 inthegiventimewiththewordsgiven aconcernedlookthepeopleconcerned awantedpersonworkerswanted 在既定的时间内用所给的单词 关切的神情有关人士 被通缉的人招聘工人 二 作表语1 表示主语的心理感觉或所处的状态 许多动词的过去分词已经被当作形容词使用 如 disappointed excited moved puzzled pleased surprised lost等 Thewindowisbroken 窗户碎了 Don tgetsoexcited 别这么激动 作表语的过去分词 被动意味很弱 主要表示动作的完成和状态 此时相当于一个形容词 被动语态的过去分词 动作意味很强 句子主语为动作的承受者 后常跟by短语 2 过去分词作表语与被动语态的区别 Theglassisbroken Ourclassroomiscrowded TheglasswasbrokenbyJack ThewindowswereclosedbyTomlastnight 3 作表语的过去分词前可以有修饰语 而被动语态的过去分词前不能加修饰语 TheglasswasbrokenbyTom Yourcompositioniswellwritten 现在分词与过去分词区别 1 语态上 现在分词 表示主动的动作 过去分词 表示已经被动的动作 2 时间上 现在分词 表示正在进行的动作 过去分词 表示完成的意思 Iheardsomeoneopeningthedoor Iheardthedooropened thefallingleavesthefallenleaves boilingwaterboiledwater therisingsuntherisensun 3 现在分词表示它所修饰的名词或句子主语的特征 特性 过去分词表示它所修饰的名词或句子主语的心理感受或状态 amovingfilmamovedaudience Thenewsisexciting Wewereexcitedtohearit Answers Practice 1 Pricesofdailygoods throughacomputercanbelowerthanstoreprices A areboughtB boughtC beenboughtD buying 2 Withalotofdifferentproblems thenewly electedpresidentishavingahardtime A settledB settlingC tosettleD beingsettled B C 3 Don tusewords expressionsorphrase onlytopeoplewithspecificknowledge A beingknownB havingbeenknownC tobeknownD known 4 WhenIgotback Isawamessagetothedoor Sorrytomissyou Iwillcalllater A pin readB pinning readingC pinned readingD pinned read D C 5 AboyJackwonthegame AboyhimselfJackwonthegame A callingB called A 6 MostoftheartiststothepartywerefromSouthAfrica A invitedB toinviteC beinginvitedD hadbeeninvited A 7 ThefirsttextbooksforteachingEnglishasaforeignlanguagecameoutinthe16thcentury A havingwrittenB tobewrittenC beingwrittenD written D B 8 Whoisthemantoyourfatherjustnow Whoisthemantojustnow A speakingB spoken 9 Thebuildinglastyearisseventymetershigh Thebuildingnowisseventymetershigh Thebuildingnextmonthisseventymetershigh A builtB tobebuiltC beingbuilt A B A B C Homework FinishrcisesinUsingStructuresonpage44 Finishthegrammarrciseinauxiliaryguidancematerial Unit1Greatscientists Thepastparticipleasthepredicative attribute invitedfounded attribute disappointedcovered predicative Thankyou