英语人教版八年级下册Unit 8 SectionA 4a-4c.doc

峨山县初中英语“问题导学、互动探究”教学模式英语导学案课题Unit8 Have you read Treasure Island yet? SectionA (Grammar focus-4c) 主备教师施忠有上课教师学习目标一、知识目标1. 学习，识记单词：fiction, technology, French2. 学习，掌握现在完成时句式： （1）肯定句：主语 + have / has + 过去分词 (+ 其他)（2）否定句：主语 + have / has + not + 过去分词(+ 其他)（3）一般疑问句：have/ has + 主语 + 过去分词(+ 其他)二、能力目标(1) Train the students listening ability.(2) Train students ability to use the target language.三、情感目标Ss can learn about something about Robinson Crusoe that they can love life better.学习重点To Learn the present perfect tense with already and yet.学习难点To Learn the present perfect tense with already and yet.学习过程环节学习内容引课明标一、Revision Role-play the conversation in 2d. 自学探究一、Test the spelling.1. English-Chinese： treasure, island, classic, page, ship, tool, gun, mark, sand, cannibal, land, fiction, technology, French.2. Chinese-English满是的；赶快；预期；做记号；朝；科幻小说.精讲点拨现在完成时的用法：1. 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。2. 表示动作或状态从过去某一时刻开始，一直延续到现在，而且可能还要继续下去。3. 时间状语：already, yet, just, ever, never, before，构成：现在完成时是由“助动词have / has+ 动词的过去分词”构成。规则变化：1. 一般在动词词尾直接加ed。pick picked picked2. 以不发音的e结尾的动词后面加d。like liked liked3. 以“辅音字母 + y”结尾的动词，变y为i，再加-ed。study studied studied 4. 词尾只有一个辅音字母的重读闭音节动词，要双写辅音字母，再加-ed。study studied studied; 不规则变化：5. 以不变应万变。如：let let let; put put put; read read read6. 若中间有双写e，则去掉一个e，单词末尾再加t。如：feel felt felt;7. 末尾的字母d变t。如： lend lent lent8. 变为以-ought或-aught结尾。如：buy bought bought;句式：1. 肯定句：主语 + have / has + 过去分词 (+ 其他)2. 否定句：主语 + have / has + not + 过去分词(+ 其他)3. 一般疑问句：have/ has + 主语 + 过去分词(+ 其他)4. 特殊疑问句： 特殊疑问词 (不是句子主语) + have / has + 主语+过去分词 (+ 其他)现在完成时-与already、yet、just连用： already 意为“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，但也可放在句末。 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，仍然”，常用于否定句和疑问句。 just 意为“刚刚”，常用于肯定句中。一般置于助动词have/has之后，过去分词之前。 现在完成时与一般过去时：同学们要注意现在完成时与一般过去时的区别。虽然这两个时态都和过去发生的事情有关，但是现在完成时强调这一动作与现在的关系，如对现在产生的结果、影响等，而一般过去时只表示过去的事实，不表示和现在的关系.达标训练一、根据所给单词的适当形式填空。1.一Excuse me. Have you _ (see) my dictionary?2.Have you _ (find) your wallet yet?3.I _ already _ (finish) my homework. Lets go out.4._ you _ (read) todays newspaper yet?二、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 change D. 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. me 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 arrive C. has arrived6. _ you _ the movie Gongfu