八年级英语下册 Module 3 Journey to space Unit 3 Language in use导学案 外研版（无答案）（新版）外研版

Module 3 Journey to spaceUnit 3 Language in use【学习目标】1. 知识目标. 体验课文经典例句，进一步感知现在完成时的用法。2. 能力目标：明确一般过去时与现在完成时的区别；熟知并运用现在完成时的标志词并熟练运用。3. 情感目标：学以致用，完成相应练习。【重点及难点】现在完成时的标志词：yet, already等的用法。【学习步骤】 ：课前预习【自主学习】I、请同学们将预习中的疑难问题写出来。1.Has it arrived yet? 译：_2.Ive just made a model spaceship.译： _3.Astronauts have already been to the moon.译：_4.The astronaut has gone to the space station. He will come back tomorrow.译：_课堂学习过程 【合作探究】Step1. Language practice （Work in pairs ）Have you heard some news about space? What are they? Step2. Listen and number the words as you hear them.how many planet the name of the planets recently, which one has been degraded how to travel in spacedevelopment in Chinarecently, which one has been degraded the future of exploration in spaceStep3. Work in groupsExample : A: Have you ever heard that there is a planet degraded recently ?B: No, I havent.C: Does B know which planet is the largest one ?A: Yes, he / she has. Step4. 【自主学习】【语法全解】现在完成时和一般过去时的区别：现在完成时表示过去发生的某一动作对现在造成的影响或结果，强调现在的情况，与现在密切相关。不能和表示过去的时间状语连用。而一般过去时只表示过去的动作和状态，和现在不发生关系。I have seen the film. ( 我了解电影的内容 )I saw the film last week. ( 只说明上周看电影这件事，不涉及现在 )2. have/has been to, have/has gone to与 have/ has been inhave/has been to意为“到过，去过”，表示曾到过某地，而此时人已不在那了Have you ever been to Hong Kong?你曾经去过香港吗？have/has gone to意为“去了某地”，现在人可能在去的途中或已在那个地方了，而不再说话人处。Where is Lily? Has she gone to the library?莉莉在哪？她去图书馆了吗？have/ has been in意为“曾经待在某地”，并且常和表示持续意义的时间状语连用。I have been in Harbin for three years.我已经在哈尔滨待了三年了。already与yetalready: 一般用于肯定句，意为“已经”。有时用于疑问句表示惊奇或希望对方给出肯定答复。eg. I have already finished my homework. 我已经完成作业了。Have you already done? 你已经做过了吗？yet: 一般用于否定句和疑问句，常放在否定词之后或句末。eg. Has she gone to school yet? 她已经去学校了吗？ His mother hasnt yet been to Beijing. 他的妈妈还没有去过北京。【语法专练】 用have/has been/ gone (to) 填空A spaceship _ Mars. It is coming back to earth next year.Lots of astronauts _ to the space station. They found it very interesting.Where _ you _? I _ the library.Is Mr Smith at home? -No, he _ town.She _ Guangzhou twice.Where are your parents? - I think they _ work.How many times _ you _ there? 用already, yet, just 完成下则新闻。Spaceship on Mars!Astronauts have _ been to the moon but they have not been to any other planets. However, a spaceship has _ arrived on Mars and it has _ sent photos of the red planet. Is there life on Mars? We do not know _.【当堂检测】从方框中选择适当的单词并用其正 确形式完成句子。even real secret twice diaryMany students like writing a _ every day.2. Most of the children dont want to tell _ to their parents.3. Have you been to Shanghai _? Yes, I have.4. Are there any Spidermen in the _ world?5. Now the air in our hometown is _ worse than it was before. So we must do something to stop it. 用already，yet 和just完成句子1. Peter, have you finished your homework? Yes, Miss Lin. Ive _ finished it.2. What are you going to do this Sunday? I havent decided _. 3. Shall I tell Sally about it? No, you neednt. Ive told her _.4. Mr. Smith phoned you _ now. He asked you to call him back.5. Have you read the book Who moved my cheese? Yes, I have _ read it several times.6. HaveyouvisitedMountain Tai_? Yes, I went there last week.III. 用括号内所给动词的适当形式完成句子。1. Wheres Uncle Black? I cant find him. He _ _ (go) to Sichuan to help people in a disaster area (灾区).2. _ you ever _ (eat ) Beijing roast duck? Yes. Its delicious. 3. I have _ _ (not see) Water Margin (水浒) . Really? I _ (see) it yesterday. 4. How long _ you _ (work) in the factory? For five weeks till now. 5. Shenzhen _ (be) a small town fifty years ago. Now it _ _ (become) a large city.6. They _ _ (explore) this desert region（地区）for five years.7. The child _ _ (name) after its father.【课后作业】I. 用括号中动词的正确形式完成对话。（必做题）Betty: Ive just _ (watch) a great TV programme about space. Do you know that scientists have _ (discover) water on Mars?Tony: No! Really? Thats very interesting. _ they _ (try) to find life on Mars?Betty: Well, theyre looking for life but they _ (not find) anything yet.Tony: _ you _ (see) the photos of Mars?