Unit 10 I’ve had this bike for three years. Section A Grammar 现在完成时 课件（32张PPT）

课件32张PPT。Unit 10 I've had this bike for three years.Grammar现在完成时学习目标： 1.知识目标：学习现在完成时。 2.能力目标：能判断何时用现在完成时3.学习重点：能区分since和for。 4.学习难点：能区分一般过去时和现在完成时以及瞬间动词和延续性动词的转化。 5.情感教育：学会比较过去和现在的变化珍惜我们所拥有的。 Let's relax! _____ you ever _____ somebody so much . It makes you cry. _____ you ever _____ something so bad . You can't sleep at night. _____ you ever _____ to find the words. But they don't come out right. Have you ever, have you ever. _____ you ever _____ in love Been in love so bad. You'd do anything to make them understand. _____ you ever____ someone steal (偷走)your heart away. You'd given anything to make them feel the same. hadHaveHavebeenHave you everHaveneededHavelovedHavetried-- How long have you studied at Sanqiao Middle school?since I was 13.since 2016.-- I have studied at this schoolsince 2 years ago.for 2 years.1.动作或状态发生在过去,但它的影响现在还存在。（和already，never, ever, just, before, yet等状语连用。） They have just left. --他们已经离开了.(也就是说现在他们人不在这里) 2.也可表示持续到现在的动作或状态。常与for或since引起的一段时间状语连用。 He has learned English since 2016. --他从2016年开始学英语。（现在还在继续学着呢）Present Perfect Tense现在完成时 Present Perfect Tense现在完成时现在完成时的构成形式肯定句：主语+have/has +过去分词否定句：主语+have/has +not+过去分词一般疑问句：Have/Has+主语+过去分词Can you find the differences between "since"and"for"?I have taught English since 2015. I have taught English since I left school. for + 一段时间 since + (表示过去某一时间的)时间点从句(一般过去时)一段时间+ago I have taught English for 4 years. I have taught English since 4years ago.1. Mr. Brown has had his TV _____ 15 years. 2. I’ve taken driving lessons _____ last month. 3. Tom has worked in the factory _____ he left school ten years ago. 4. My friends haven’t visited me _____ my birthday. 5.She hasn’t had a good cup of coffee _____years. 6. Tom has worn glasses _____ two years ago. forsinceforsincesincesince"since" or "for"?Crazy Animals City has shown （上映）and my friend Lu Han wanted to watch it with me.Have you ever watched Crazy Animals City?Lu: I’ve arrived in the cinema. : How long have you been in the cinema? Lu: I’ve been here for 10 minutes.arrivebe (in/at)（非延续）（延续）S: Have you bought the tickets? L: Yes, I have. I have had them for 1 day.buyhave（非持续）（持续）L: The movie has started. S: How long has the movie been on? L: It has been on for 20 minutes! start / beginbe on（非持续）（持续）(2 hours later) L: Where are you? The movie was over. I have left. S: I’m on my way. How long have you been away? L: I have been away since the movie was over.leavebe away (from)（非持续）（持续）Can they last(持续)?be onbe away (from)havekeepbebe (in/at)They can last.持续性动词非持续性动词加 时 间1. I borrowed this book. (for a long time.)I have this book for a long time.kept2. Song Zhongji arrived in Dazhou. (sin ... ...