英语人教版八年级下册Unit 8Section A (2d, Grammar).doc

Unit 8 Have you read Treasure Island yet?Section A (2d, Grammar, 4a-4b)I.Teaching AimsKnowledge Objects Key words: classic, full of , hurry up, due, science fiction , technologySentences: Have you ever read Little Women yet? Oliver Twist is about a boy who goes out to sea and finds an island full of treasures.Steve, have you decided yet which book to write about for English class?Although I have lost everything, I have not lost my life. How long have they been here? So I will not give up and I will wait for another ship. Not long after that, I saw some cannibals trying to kill two men from a broken ship.Ability Objects: 1, Master the grammar, Present Perfect Tense(I)2, Express the sentences with Present Perfect Tense.3, Use Present Perfect Tense and Past Tense correctly.Moral Object:Train students creative spits.II.Teaching Difficult and Important PointsTeaching Difficult Points: The difference of Present Perfect Tense and Past TenseTeaching Important Point: Present Perfect TenseTeaching produces:Step 1 GreetingStep 2 Review 2d Step 3 Grammar定义：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。（动作发生在过去，对现在造成影响）构成：肯定句: 主语+have/has+过去分词+其他否定句: 主语+havent/hasnt+过去分词+其他一般疑问句：Have/Has+主语+过去分词+？肯定答语: Yes, 主语+have/has.否定答语: No, 主语+havent/hasnt过去分词：动词过去分词的变化形式大部分与动词过去式形式相同，但是不规则动词的变化形式没有规律，需要记忆，比如：see-saw-seen; be-was, were-beeneat-ate-eaten; break-broke-brokengo-went-gone; take-took-takensend-sent-sent; find-found-foundmake-made-made; have-had-hadAlready 与Yetalready 已经，常用于肯定句中。一般置于助动词have/has之后，过去分词之前，yet，在现在完成时句型中常置于句末。 1) 已经，常用在疑问句中。 2) 还(没），尚未，常用于否定句。Step 4 PracticeFill in the blanksStep 5 4aPair workStep 6 4bGroup workStep 7 实战中考1. China develops so fast. Thats true. It _ a lot already. (2011安徽芜湖) A. changesB. changed C. will changeD. has changed 2. Julia isnt going to the cinema with us because she _ the film. (2013浙江湖州) A. sees B. saw C. will see D. has seen 3. Id like to introduce my best friend to you, Peter. Thank you, Lucy. But we _ already. (2012河南) A. meet B. met C. will meet D. have met4. Kitty, will you go to see the film Cold Mountain this evening? No, I wont. I _ it already. (南京市) A. saw B. have seen C. see D. will see5. Our school is having a sports meeting. Someone _ here already. (2011黑龙江) A. arrived B. have arrived C. has arrived6. _ you _ the movie Gongfu Panda II？ Not yet. Ill see it this Sunday. (2011四川内江) A. Did, see B. Do, see C. Have, seenStep 8 SummaryStep 9 Homework1. Review the new words an