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1、课题： 八下Unit 10 Ive had this bike for three years（Grammar Focus- B（1a1d）本学期第 课时 本单元第 3 课时 上课日期：_主 备 人 复 备 人：_ 审核人： 教学目标：知识目标：1.掌握现在完成时的用法2.search among crayon shame regard. as count century according to opposite especially memory consider hold 能力目标：1.正确区分现在完成时与一般过去时 2.正确运用for 和since的用法 3.能从阅读中获得自己周围的事
2、物变化的相关信息。情感目标：1.正确处理并充分利用自己的废旧物品。 2.珍惜自己周围事物的变化，感恩社会，汇报社会，关爱他人。Step 1 Group work 出示下面的典型例句，让学生们先自己观察句子结构，对比现在完成时和一般过去时的不同。1. How long have you had that bike over there? 那边的那辆自行车你买了多长时间了？ Ive had it for three years. 我买了三年了。2. How long has his son owned the train and railway set? 他的儿子拥有这套轨道火车多长时间了？ He
3、s owned it since his fourth birthday. 自他四岁生日起，他就拥有了它。3. Have you ever played football? 你曾经踢过足球吗？ Yes, I did when I was little, but I havent played for a while now. 是的，当我很小时就踢过，但是现在我有好长一段时间没有踢了。Step 2 精讲点拨：- 现在完成时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，如“for + 时间段”、“since + 过去时间点”、“since +
4、过去时的从句”、“since + 一段时间 + ago”。且for与since引导的时间状语可以相互转换。e.g. My uncle has worked at this factory for ten years.= My uncle has worked at this factory since ten year ago. Ivelivedheresince1990自从1990年以来我就住在这里。 Ihaventseenhimforthreeyears.我三年没有看见他了。Shesbeenatthisschoolsincefiveyearsago. 自从五年前以来她就在这个学校。歌诀：含
5、有for，since的现在完成时的用法歌诀: 过去的动作或状态，一直持续到现在，for、since把时间带句中动词的特点此种用法中表示持续性的动作或状态的动词必须是延续性动词（否定句除外）1. 这本书我买了5年了。 I have bought the book for five years. ( ) Ive had the book for five years. ( )2. 你哥哥参军多长时间了？ How long has your brother joined the army? ( ) How long has your brother been in the army/been a s
6、oldier? ( )非延续性动词和延续性动词之间的转换1. 转换为相应的延续性动词，用于现在完成时。 borrow keep buy have put on wear catch a cold have a cold get to know know get to sleep sleep2. 转化为“be + 形容词/副词/介词/名词” begin / start be on go out be out close be closed open be open get to/arrive/reach be (in) die be dead leave be away finish be ov
7、er fall sleep be asleep join be in/be a member of become be make friends be friends come/go be + 相应的介词短语Step 3 4a Rewrite the sentences using for or since1.Jim has been in Japan for three years. 2. They have been hungry for ten hours/since ten hours ago.3. I have had a camera since 2009.4. I have kn
8、own Ann for three years/since three years ago.5. Linda has been ill since Monday.Step 4 4b Fill in the blanks with correct forms of the verbs in brackets.Step 5 Group work4c Fill in the questions and ask two students. Then complete the chart.1. Do you have a(n) _? How long have you had it?2. Do you
9、own a(n)_? How long have you owned it?Step6 SectionB Group work1a Check () the places or things you can find in your town or city.Step 7 Listening 1b Listen and answer the questions 1. Does Martin like Jennys hometown?Yes, he does.2. Does Jenny still live in her hometown?No, she doesnt.3. What is be
10、hind the science museum?What do people do there on weekends?A big park. People go there to let their kids run around and climb the hills1c Listen again and fill in the chart about the places in Jennys hometown.1d Talk about your town/city with a partner according to the conversation.A: My city is lo
11、vely.B: What are some of the special places there?A: Well, theres a concert hall there. Its been around for at least 20 years.Step8 Test1. I dont believe that this _(三岁的)boy can paint such a nice picture.2. Look! Shes standing _ the ten children.A. among B. between C. of D. from3. -Can you give me some information about vacation trips? - Why not _ going to Hainan Island? A. consider B. mind C. keep D. think 4. - Mr. Jack _ China for several years. A. has been to B. has come to C. has been in D. came to5.Look! Shes standing _ the ten children.A. among B. between C. of D. from教后记：
