英语人教版八年级下册Unit8 Sa(3a-4c).docx

Unit 8 Have you read Treasure Island yet? Section A2 (3a 4c)教案教学目标：知识目标：A.掌握常用动词的过去分词的拼写形式。B.核心句型预览：能力目标：体会现在完成时在阅读文章鲁滨逊漂流记中的应用以及对阅读文章的理解分析。情感目标：通过对鲁宾逊漂流记节选部分的学习，引导学生在生活和学习中要不抛弃不放弃。教学重难点：重点：1.熟练掌握already, yet在现在完成时中的用法。2.掌握常用动词的过去分词形式。难点：使用阅读技巧对阅读文章进行理解与分析。教学过程：Step 1 Warming-up Enjoy an English song Step 2 Before reading1,Introduce the movie：Robinson Crusoe2 Read the passage and answer the following questions.(3a)What does Robinson Crusoe wait for?Why does Robinson Crusoe call the man Friday? Step 3 While reading 1)Read Para.1 to answer the four questions 1 Has Robinson foud the ship and made a small boat? 2 What things has he brought back? 3 Does he give up? What does he wait for? 4 What does he kill for food?What does he even learn to grow? 2) Read Para.2 to answer the four questions 1 What did he find on the sand a few weeks ago? 2 What did he see not long after that? What did he do to help the man? 3 Why did Robinson name the man Friday?4 What has Robinson taught Friday?3) Read the passage again. Find words that have these meanings.(3b)1. You can use these to shoot things: _2. Something you use to travel in the sea: _3. A piece of land in the middle of the sea: _4. You can use these to cut things: _5. Signs left behind by someone or something: _4) Retell 3a according to the answers.5)Students read the whole passage and find out the difficult points.arrive on this island, make a boat, bring back, give up, wait for, cut down, build a house, killfor food, the marks of another mans feet, who else, see sb. doing sth., run towards, help sb. do sth., name sb. , teach sb. sth.Step 4 After reading(3c) Correct the sentences.1. Robinson Crusoe arrived on the island with enough food and drink.2. Friday made a small boat.3. Robinson had some food and tools when he first arrived on the island.4. Robinson used the ship to build a house.5. Friday saw some marks of another mans feet on the beach.6. Robinson tried to kill the two men.Step 5现在完成时构成：助动词have / has+动词的过去分词，规则动词的过去分词构成与过去式相同，不规则动词的过去分词则需逐个记忆。规则变化：1.一般加ed。如：pickpickedpicked; wishwishedwished; staystayedstayed2.以不发音的e结尾的动词后面加d。如：likelikedliked; phonephonedphoned3.以“辅音字母+ y”结尾的动词，变y为i，再加-ed。如：studystudiedstudied;4.以辅元辅结尾的，双写再加-ed。如：stopstoppedstopped; clapclappedclapped不规则变化：5.以不变应万变。如：letletlet; putputput; readreadread6.若中间有双写e，则去掉一个e，单词末尾再加t。如：feelfeltfelt; keepkeptkept; sleepsleptslept7.结尾的字母d变t。如：lendlentlent; buildbuiltbuilt; sendsentsent8.变为以-ought或-aught结尾。如：buyboughtbought; bringbroughtbrought; catchcaughtcaught; teachtaughttaught句式：1.肯定句：主语+ have / has +过去分词(+其它)2.否定句：主语+ have / has + not +过去分词(+其它)3.一般疑问句：have/ has +主语+过去分词(+其它)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。e.g. Have you had your lunch yet? Yes, I have. Ive just had it. (现在我不饿了。)时间状语：already, yet, just, ever, never, before2.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。e.g. I havent seen her these days. Ive known Bob for three years. Ive been at this school for over two years.already和yet都可以作为现在完成时的标志词，但它们的用法不同。already一般用于肯定句中。yet一般用于疑问句和否定句中。活学活用：drink _ _see _ _find _ _leave _ _ tell _ _Why is Mr. Yang still in the teachers office? Maybe he _ his work yet.A. doesnt finishB. hasnt finishedC. havent finishedStep 6 Exercises1. Finish 4a and check the answers.Keys:I have just drunk some tea.Have you found it?He has already left.did he leaveShe has already seen the filmhavent told them yet2. Finish 4b and check the answers.Keys:loves, has read, will be, finished, will write, hasnt read3. Finish 4c and check the answers.Make conversations and complete the chart. (Follow the conversation on page 60)Homework1. Recite the sentences in grammar focus.2. Retell the story of Robinson Crusoe.板书设计：Have you read Little Women yet?Yes, I have./No,