现在完成时教案(黄娟)

1、现在完成时教案 衡阳县第四中学 黄娟.Teaching aims: 1. Knowledge: a. The structure of the present perfect tense.b. The usages of present perfect tense.2. Ability: a. Enable students to use the correct tense in their writing and speaking.b. Enable students to use the right words in the present perfect tense. 3. Feelin

2、gs and attitude: a. Let the students know the importance of English grammar. b. Try to build up students confidence in themselves c. Encourage students to speak English in public. Important Points: let the students understands the usages of present perfect tense. Difficult Points: Help students use

3、present perfect tense with verbs to describe events happen at a particular point in time and to describe events that can continue over a period of time. Teaching tool: PPT. Teaching steps:step1 : warming- upstep2: present perfect tenseI. 结构：have/has + done （过去分词）肯定句：主语 + have/has +done 否定句：主语 + have

4、/has not +done 疑问句：Have/has + 主语 + doneII. 用法(1).持续我学英语六年了。_._. 表持续的副词for +一段时间Since+时间起点好久不见。_._其它副词：all day (整天), these days, lately, recently (最近), always (一直), this week (这个星期)等。how long (多久)she has lived in London for 4 years? (对划线部分提问）_?(2)完成表完成的副词already (已经)have/has already done,也可放句尾just (刚

5、才)have/has just done。yet (尚；还)放havent/hasnt yet done, 也可放句尾。我已经完成了家庭作业。_.我还没完成家庭作业。_.(3)经验表经验的副词ever (曾经), never (从未), often (经常)等频率副词。once (一次), twice (两次), times (次), before (以前)等。你曾参观过长城吗？_._.特别注意(1)现在完成式 VS 一般过去式例： 我刚洗过手。I have just cleaned my hands. VS I cleaned my hands just now. a.He _(work)

6、in our schoolfor one year.b.He _(come) to our schoollast year/in 2002.(2)have been to, have been in 及 have gone to Mr. Wang isnt hereHe _to Qingdao My father _ to Beijing twice He _ in London for half a month 重要句型1. This (That/It) is the first time +that从句This is the first time that I _ (see) pandas

7、.2. This (That/It) is the only time +that从句It is the only time that I _(travel) to Beijing.3. This (That/It) is the best/ most interesting . +that从句It is the most delicious food that I _(taste).(4)瞬间动作+一段时间 例：l.His father has died for ten years. ( )His father died ten years ago. ( )His father has be

8、en dead for ten years. ( )2. Amy has bought the car for one year. ( )Amy has bought the car already. ( )Amy bought the car and has owned it for one year. ( )4. I have finished my homework three days ago. ( )step 3. Practice一、Multiple choice1.Youve never seen such a wonderful film before, _?A.havent

9、youB.have you C.do youD. dont you2. -Ann has gone to Shanghai.-So _ her parents.A. doB. doesC. hasD. have3. I have watched the game.-When _ you _ it?A. have watchedB.do watchC.did watchD.will watch4. Mr. Green _ in China since five years ago.A livedB.haslivedC.livesD.is going to live5. His grandma _

10、 for two years.A.diedB.has been deadC. was deadD.has died6. Where is Han Mei now?- She _ to Shanghai. She will be back in two days.A. has goneB.has beenC. goesD.had gone7. -_ to the United Stated ?- No, never, but I went to Canada a few years ago.A. Did you goB. Do you goC. Have you beenD. Have you

11、gone8. You havent changed your mind,_?A. do youB.are youC.have youD.did you二、Exercise: Page 8My friend Jack is enthusiastic about travelling. He has just sent me an e-mail, telling me about his travels around the world. He has just been (just be) to Qomolangma Bas Camp and _ (see) a Yeti there. He i

12、s still very excited about it. He _ (visit) the Great Pyramid in Egypt too. He says that he _(love) Egypt but he _(not visit) all the pyramids yet. He _ (see) crop circles in many places. Though he _ (never meet) any aliens, he believes they do exist. He _ (travel) to the Indian Ocean many times looking for treasure. Although he _ (find) many sunken ships, he _ (not find) any treasure.