广东省增城市小楼中学八年级英语上册 Module 3 Culture and history Unit 5 Educational exchanges Speak up Grammar课件 （新版）牛津深圳版.ppt

a whathaveyoudone b ihavemetmyhostfamily a whathaven tyoudone b ihaven tvisitedtowerbridge speakup ihavemetmyhostfamily ihaveseenbigben ihaven tvisitedtowerbridgeihaven tgoneshopping payattentiontothetense 现在完成时 ihavemetmyhostfamily ihaveseenbigben ihaven tvisitedtowerbridgeihaven tgoneshopping 现在完成时 she herhostfamily she bigben she towerbridgeshe shopping thinkaboutit hasmethasseenhasn tvisitedhasn tgone workouttherule presentperfecttensesubject or seen gone met havehasv pp pleasefindthemonpages141and142 thepastparticipleofthemainverb 动词的过去分词 现在完成时的结构 现在完成时的构成 have has done 助动词 过去分词 have 第一 二 复数has 第三人称单数 定义1 表示过去发生或已完成的动作对现在造成的影响或结果 主语 have has 过去分词 宾语 状语 exercises 1 ihavemadealotoffriends 改为一般疑问句 改为否定句 划线部分提问 2 hehasmadealotoffriends 改为一般疑问句 改为否定句 划线部分提问 haveyoumadealotoffriends ihaven tmadealotoffriends hashemadealotoffriends hehasn tmadealotoffriends whathashemade whathaveyoumade 看例子 找规则 1 一般动词 在词尾直接加 ed work worked worked visit visited visited 2 以 e 结尾的动词 只在词尾加 d live lived lived 3 以 辅音字母 y 结尾的动词 将 y 变为 i 再加 ed study studied studied cry cried cried 4 重读闭音节结尾 末尾只有一个辅音字母 先双写该辅音字母 再加 ed stop stopped stopped drop dropped dropped 写出下列动词的过去式和过去分词 work live stay stop clean study workedworked stayedstayed stoppedstopped cleanedcleaned studiedstudied livedlived 不规则动词的过去分词 aaa型costcostcost cutcutcutaab型beatbeatbeatenaba型 runranrun comecamecome becomebecamebecomeabb型buyboughtbought buildbuiltbuiltabc型beginbeganbegun choosechosechosen havemet haveplayed hascook havestudy haveseen haven tvisited haven tdone findmoreexamplesinthetext page67 theteachershaveintroducedustochinesepaintingaswell i velearnttousechopsticks i velearntabitoft aichi we vealsotriedtopaintsomepitures i vemademanynewfriends ihaven thadmuchsuccessyet we vealreadylearntalotaboutchinesecultureandhistory it sbeenafantasticexperiencesofar i ve ihavewe ve wehaveihaven t ihavenotit s ithas thepresentperfecttensewithalready yet sofar everandnever 现在完成时的用法 现在完成时通常表示在说话之前已经完成的动作或存在的状态 说话人强调的是该动作或状态对现在的结果或影响 汉语中常用 已经 过 了 等表达 通常与表示包括现在在内的时间副词just already before yet never ever twotimes等状语连用 例如 already yet用法区别 1 already意思是 已经 通常用于陈述句中 放在have和has的后面 也可用于疑问句 表示期望得到肯定的回答或表示惊异 此时already常放在句末 shehasalreadyfoundherbike hasshefoundherbikealready 她已经找到自行车了 2 yet用法 yet可用于否定句 此时译为 还 ihaven tfoundmyruleryet 也可以用于疑问句 译为 已经 放在have和has的后面也可放在句末 haveyoufoundyourruleryet 你已经找到尺子了吗 just never ever用法区别 3 just只用于陈述句意思是 刚才 放在have和has的后面 ihavejustreceivedaletter 4 never用于否定句译为 从不 放在have和has的后面 i veneverbeentobeijing 5 ever用于疑问句译为 曾经 放在have和has的后面 haveyoueverbeentobeijing exercise mydaughterhasjustgoneout 我女儿刚出去 i msurewe vealreadymet 我肯定我们已经见过面 haveyoumilkedthecowyet 牛奶的奶挤了吗 ihaven thadbreakfastyet 我还没有吃早餐 ihaveneverheardthatbefore 我从没听说过 moreexercises 1 zhaolan already inthisschoolfortwoyears was studying will study has studied are studying 2 hehas beentoshanghai hashe already never ever still 3 haveyoumetmrli just ago yet amomentago c b c 4 thefamouswriter just onenewbook is writing was writing did wrote has written 5 ourcountry alotsofar yes ihopeitwillbeeven haschang