现在完成时复习课件（37张PPT）

课件37张PPT。现在完成时复习目标 1.复习并巩固现在完成时的结构。 2.复习并巩固现在完成时的用法并能加以运用。 3.区分have/has been to, have/has gone to和have/has been in并能做出相关的题目。 4.区分现在完成时和一般过去时并能在实际中运用。我已经吃过早饭了。 I have had breakfast. She has had breakfast. 一、现在完成时的结构： have/has+done(动词过去分词) 你能说出下列动词的过去分词吗？ work- stay- live- pollute- stop- plan- study- cry- 规则： 1.一般在动词后加-ed; 2.以不发音的e结尾的直接加d; 3.以一个辅音字母结尾的重读闭音节，双写这个辅音字母加ed; 4.以辅音字母加y结尾的变y为i加ed. workedstayedlivedpollutedstoppedplannedstudiedcried不规则动词的变化形式 1.put put put 2.lose lost lost 3.shake shook shaken 4.speak spoke spoken 5. swim swam swum A-A-AA-B-BA-B-AnA-B-BnA-B-C现在完成时的句式 (1) 肯定句:主语+have/has +过去分词+其它 (2) 否定句：主语+haven’t/hasn’t +过去分词+其它。 (3) 一般疑问句：Have/Has +主语 +过去分词+其它？ (4)特殊疑问句：疑问词+ have/has +主语 +过去分词… 肯定句：I have cleaned my bedroom. 否定句：I haven’t cleaned my bedroom. 一般疑问句：Have you cleaned your bedroom? 特殊疑问句：What have you done? 1.He has already finished his homework.(改为否定句） He_____finished his homework_____. 2.He has been here since ten years ago.(对画线部分提问） _____ _____has he been here? 3.I have got something important to do .(改为一般疑问句） 4.Have you ever buy the subway?(做否定回答） 完成句子hasn’tyetHow long Have you got anything important to do? No, I haven ’t .二、现在完成时的用法现在完成时主要有“持续”、“结果”、“经验”三种主要用法。 用法1表示过去发生的动作对现在造成的影响或结果。 I have already read this book.(Now I can tell you that it’s fantastic.) (“读”这一动作发生在过去，对现在造成的影响是“知道书中的内容”。） 标志词有already，yet，just等,也可能没有标志词。 He has bought a new bike. (Now he has a new bike.) Use?“never,?ever,?already,?just,?yet,?for,?since”?to?fill?in?the?blanks.? 1.?I?have?_____?seen?him?before,?so?I?have?no?idea?about?him.? 2.?Jack?has?_____?finished?his?homework.? 3.?Mr.?Wang?has?taught?in?this?school?_____?ten?years.? 4.?“Have?you?_____?seen?the?film?”?“No,?I?have?_____?seen?it.” 5.?“Has?the?bus?left?_____?”?“Yes,?it?has?_____?left.” ? neveralready/justforeverneveryetjust用法2 for+段时间 since+点时间 since+时间段+ago since+句子（过去时） E.g. We have studied here for 1 years. We have studied here since 2016. We have studied here since 1 year ago. We have studied in Tongji Middle School since we came here. 表示过去某个时间开始的动作或存在的状态，一直持续到现在并可能还将持续下去。动词使用延续性动词。常与for或since引导的时间连用。 Fill in the blanks with for or since. 1. His father has been dead _____ he was ten years old. 2. Michael has been away from the army _____ six years. 3. He has been in Chongqing _____2003. 4. My brother has had a car _____ two months. 5. Tom has kept a book _____ 5:00 a.m.sinceforsinceforsinceMiss Gao has married for two years.Miss Gao has been married for two years.It is two years since ... ...