英语人教版八年级下册unit8 sectionA(1a-1c).ppt

加格达奇区第四中学田秀玲 April23rd Agoodbookisagoodfriend Haveyoureadbookstoday Haveyouheardofthesebooks AliceinWonderlandTreasureIslandLittleWomenOliverTwistRobinsonCrusoeTomSawyer Trytomatchthebooktitleswiththepictures Unit8HaveyoureadTreasureIslandyet SectionA11a 1c Objectives Aims 学习目标 TolearntousePresentPerfectTense 现在完成时 2 Thenewwords treasure island Importantanddifficultpoints 重难点 1 ThestructureofPresentPerfectTense 现在完成时结构 2 Thepastparticiple 过去分词 Go for it treasure n 珠宝 财富 Wordsandexpressions island n 岛 Let slearnthenewwords 1 treasuren 珠宝 财富 不可数名词 珍藏品 可数名词 e g Theywenttotheretolookfortreasure 他们去那儿寻宝 Anislandfulloftreasures满是宝藏的岛 种类 Thismuseumhasmanyarttreasures 这家博物馆收藏了许多艺术珍品 2 islandn 岛 可数名词 e g anisland一个岛屿TreasureIsland宝岛 金银岛ontheisland在岛上 Whatbooksaretheytalkingabout 1b No TreasureIsland It sreallyexciting Yes No RobinsonCrusoe It swonderful Yes Yes LittleWomen It sfantastic No Listenandcompletethechart 1b Tapescripts Conversation1A We rereadingabookcalledTreasureIsland B Howisit Ihaven treadityet Conversation3A HaveyoureadLittleWomenyet B No Ihaven t Haveyou A Yes I vealreadyreadit B What sitlike A It sfantastic Reading Presentation 现在完成时 用法1 表示过去发生或已经完成的某一动作对现在造成的影响或结果 e g Haveyouhadyourlunchyet Yes Ihave I vealreadyhadit 现在我不饿了 Discuss 1 现在完成时的构成 2 already和yet都可以作为现在完成时的标志词 它们的用法 在句子的什么位置 在肯定句 否定句 还是一般疑问句中 1 肯定句 主语 have has 过去分词 其他 2 否定句 主语 have has not 过去分词 其他 3 一般疑问句 Have Has 主语 过去分词 其他 简略回答 肯定 Yes 主语 have has 否定 No 主语 haven t hasn t Ihave I veshehas she shavenot haven t hasnot hasn t 句式 Grammar already一般用于肯定句中 助动词后过去分词前 如 Wehavealreadycleanedupourclassroom 注意 already用于疑问句中时通常表示惊奇 句尾表示强调 如 Haveyoufinishedyourhomeworkalready Ican tbelieveit already和yet用法 yet一般用于疑问句和否定句尾 如 Haveyouseenheryet Thebushasn tcomeyet 拓展现在完成时标志词副词还有 everneverjust 句中 before 以前 recently 最近 尾 一 规则动词过去式和过去分词变化相同 1 一般在动词词尾直接加ed 如 pick picked picked stay stayed stayed2 以e结尾的动词后面加d 如 like liked liked hope hoped hoped phone phoned phoned 过去分词变化规则 3 以 辅音字母 y 结尾的动词 变y为i 再加 ed 如 study studied studied hurry hurried hurried reply replied replied4 重读闭音节词尾只有一个辅音字母的动词 要双写辅音字母 再加 ed 如 stop stopped stopped plan planned planned 二 不规则动词的过去式的变化和过去分词的变化并不完全相同 教材page136 137 如 read read readsee saw seenbuy bought bought HaveyoureadOliverTwistyet Yes Ihave No Ihaven t Forexample Hashe shereadAliceinWonderland Yes he shehas No he shehasn t Forexample A HaveyoureadTomSawyeryet B Yes I it 是的 我读过了 不 我还没读 B No I it havealreadyread haven tread yet A Haveyou Forexample 1c Practicetheconversation Thentalkabouttheotherbooksin1a A HaveyoureadLittleWomenyet B No Ihaven t Haveyou A Yes I vealreadyreadit B What sitlike A It sfantastic Pairwork Pairwork AliceinWonderlandamazing Talkabouttheotherbookslike1c A HaveyoureadAliceinWonderlandyet B No Ihaven t Haveyou A Yes I vealreadyreadit B What sitlike A It samazing Example Pairwork A HasTinareadTomSawyeryet B No shehasn t HasTom A Yes hehasalreadyreadit B What sitlike A It sfantastic Example Pairwork A Mary AliceinWonderland B No she HasJim A Yes he it B What sitlike A It s 兴奋的 Pairwork Pairwork A Mary AliceinWonderland B No she HasJim A Yes he it B What sitlike A It s Hasreadyet hasn t hasalreadyread exciting A Exercises II Choosetherightanswer 1 We 50wordsalready AlearnedBlearningChavelearned 2 thestudents theirhomeworkyet AHavefinishedBDidfinishCWillfinish 3 He thenewbagyesterday AboughtBhasboughtCbought C A 1 Wehavealreadyeatendinner 否定句 We eatendinner 2 Hehasalreadylefthome 一般疑问句 he home 3 Hasshefinishedhisworkyet 肯否定回答 she she 按要求完成句子 Exercises haven t yet Hasleftyet Yeshas Nohasn t Welearned 1 TolearnPresentPerfectTenseanduseit