语法公开课Unit 10 I’ve had this bike for three years Section A Grammer focus-4c(课件+导学案（含答案）+视频)

课件30张PPT。Unit 10 I’ve had this bike for three year. 新目标人教版Go for it 八年级下SectionA Grammar Focus -4c 语法公开课Let's enjoy the video.A yard salesoft toysold bookstoy traincamerafor three yearsfor five years… one year …two weeksShe has had _____soft toysfor three yearssince three years agosince three years agosince five years agosince._____agosince she was 6 years oldLead in.Mr. Wang A:How long have you _____?B:I have _____ for_____. since_____.be away from hometownworkbe in No.1 Middle School.for 6 years.since I was 19 years old.since 2009.Mr. Wang has for/since_____. been away from hometown worked been in…Lead in.选用for和since填空: 1.We haven’t seen each other _____ a long time. 3.The film has been on _____ 20 minutes. 2.His father has been in the factory _____ 10 years ago. 5.His grandparents have been dead _____ 2004 4.Mr Green has worked here _____ he came to China. .6. It’s five years _____ we met last time forsinceforsincesincesincefor+时间段since+时间点since+时间段+agosince+一般过去式从句since+一般过去式从句for+时间段Presentation因此，我们可以根据这些时间状语来判断是否使用现在完成时态“for+时间段” “since+过去的时间点” “since+从句(一般过去时态)” “since+时间段+ago”。=“since+同一时间段+ago”且for与since引导的时间状语可以相互转换。提问需用疑问词_____How long 表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的一段时间状语”连用Present Perfect Tense现在完成时nowpastfuture现在完成时： 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结构： 主语+ have / has + 动词的过去分词否定句：haven’t/hasn’t 一般疑问句： Have / Has … ? Yes, 主语+have/has. No, 主语+haven’t/hasn’t. 常与下列时间状语连用：just , already, yet, ever, never, before, several timesPresent Perfect TenseI have worked at this school for ten years. = I have worked at this school since ten year ago. /since 2009 ?? 2019ten years2009自从2009年以来我就住在青田。I’ve?lived?in Qintian?since?2009． ?I’ve?lived?in Qintian?for 10 years． ?I?haven’t?seen?my daughter?for?three?days. 我三天没有看见我女儿了。I’ve?lived?in Qintian?since 10 years ago． ?Mondaysince three days agosince4aRewrite the sentences using for or since. Jim is in Japan. He arrived there three days ago. 2. They are very hungry. Their last meal was ten hours ago.They have _____hungry_____/ _____Jim has been in Japan for three years.时间段 been for ten hourssince ten hours ago.时间段3. I have a camera. I bought it in 2009. 4. I know Anna. I first met her three years ago. 5. Linda is ill. She became ill on Monday.I have had a camera since 2009.I have known Ann for three years/ since three years ago.Linda has been ill since Monday.时间点时间段时间点实义动词分为: 1) 瞬间动词 2)延续动词 　瞬间动词注意: 瞬间动词不能和时间段连用. Method : 动作die be over leaveborrow/buy arrive beginend/finish join marrykeep/have be away be （in） be on(上演） be married be in/a member of be dead常见非延续性动词和延续性动词的转变第一类：短暂动词 be + adj. die finish open/close fall ill/as ... ...