英语人教版八年级下册Unit8SectionA(1a-1c).ppt

Unit8 SectionAPeriod1 1a 1c 教学目标 1 初步感知现在完成时态的意义和基本用法 2 学会运用already yet 3 能简单地询问或者谈论自己 别人已经做过的事情 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 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 Presentation Lookatthepicture Haveyoureadthesebooks HaveyoureadOliverTwistyet Yes Ihave No Ihaven t HaveyoureadTomSawyeryet Yes Ihave No Ihaven t HaveyoureadTreasureIslandyet Yes Ihave No Ihaven t HaveyoureadAliceinWonderlandyet Yes Ihave What sitlike It sfantastic HaveyoureadLittleWomenyet Yes Ihave What sitlike It swonderful HaveyoureadRobinsonCrusoeyet Yes Ihave What sitlike It sexciting AliceinWonderland LittleWomen TreasureIsland OliverTwist RobinsonCrusoe TomSawyer 1aHaveyouheardofthesebooks Check theonesyouknow Whataboutyou pairwork A Haveyouheardofthebook yet B Yes Ihave Ihavealreadyheardofit No Ihaven t Ihaven theardofit AliceinWonderlandLittleWomenTreasureIslandOliverTwistRobinsonCrusoeTomSawyer Hasyourpartnerheardofthebook yet Yes he shehas He Shehasalreadyheardofit No he shehasn t He Shehasn theardofityet AliceinWonderlandLittleWomenTreasureIslandOliverTwistRobinsonCrusoeTomSawyer Listenandcompletethechart 1b NO TreasureIsland RobinsonCrusoe LittleWomen Yes NO Yes Yes No It sreallyexciting It swonderful It sfantastic 1cPracticetheconversation Thentalkabouttheotherbooksinla A HaveyoureadLittleWomenyet B No Ihaven t Haveyou A Yes I vealreadyreadit B What sitlike A It sfantastic A HaveyoureadAliceinWonderlandyet B No Ihaven t Haveyou A Yes I vealreadyreadit B Howisit A It swonderful PairWork A HaveyoureadOliverTwistyet B Oh no I venotreadityet Whataboutyou A Well I vealreadyreadit B Whatdoyouthinkofit A It sfantastic PairWork 现在完成时的构成 现在完成时是由 助动词have has 动词的过去分词 构成 助动词要和主语的人称 数保持一致 现在完成时 动词的过去分词的不规则变化P136 137 动词的过去分词的变化规则 一 规则变化 1 一般在动词词尾直接加ed 2 以不发音的e结尾的动词后面加d 如 like liked liked phone phoned phoned 如 pick picked picked wish wished wished study studied studied hurry hurried hurried 3 以 辅音字母 y 结尾的动词 变y为i 再加 ed 如 4 词尾只有一个辅音字母的重读闭音节动词 要双写辅音字母 再加 ed 如 stop stopped stopped plan planned planned 现在完成时的各种句式 陈述句 否定句 3 一般疑问句 4 特殊疑问句 主语 have has 过去分词 其他成分 主语 have has not 过去分词 其他成分 Have Has 主语 过去分词 其他成分 Yes 主语 have has No 主语 haven t hasn t 特殊疑问词 have has 主语 过去分词 其他成分 现在完成时的用法 表示过去某个时间发生的动作对现在造成的影响或结果 常使用just already yet等时间副词 Haveyouhadlunchyet 你吃了午饭吗 Yes I vejusthadit 是的 我刚刚吃过 现在我不饿了 现在完成时的时间状语 1 用副词already和yet already一般用于肯定句中 yet一般用于否定句和疑问句中 Wehavealreadyfinishedourhomework 我们已完成家庭作业了 Theyhaven tfinishedtheirhomeworkyet 他们还没有完成家庭作业 2 用ever和never 多用于否定或疑问句中 表示 曾经 或 从未 等 HaveyoueverbeentotheGreatWall 你曾经去过长城吗 No IhaveneverbeentotheGreatWall 不 我从未去过长城 Exercises 用所给词的适当形式填空1 She finish herhomeworkalready 2 youever see mypen 3 Jim sfather live inLondonfor20years 4 you be toFrance Yes I go therelastyear 5 They have thebuildingsincethreeyeasago 6 MrGreen write thenovel Notyet 自主尝试 has finished Has seen haslived Have been went have had Has written 用括号中所给的动词的适当形式完成下列句子 7 Mary lose herpen you see ithereandthere 8 you find yourwatchyet 9 Areyouthirsty NO I just have someorange 10 We already return thebook 11 they build anewschoolinthevillage 12 HasTomtaughtyouEnglish Yes he teach usEnglishfortwoyears 13 I notfinish myhomeworkyet Canyouhelpme 14 What they do withthenewspaper Theyhavereadthem los