必修 第一册Unit 1 Teenage life第2课时导学案

这是一份必修 第一册Unit 1 Teenage life第2课时导学案，共4页。学案主要包含了学习目标，自主梳理，重点领悟，探究提升等内容，欢迎下载使用。
Unit 13 We’re trying to save the earth 【学习目标】(一) 知识与技能  1. To learn different forms of verb.2. To understand the use of Modal Verbs.(二) 过程和方法   3. To know how to use different forms of verb in different situations.   4. To know how to use Modal Verbs in different situations. (三) 情感态度和价值观   5. After learning this part, every student will be able to describe their awareness of the serious situation of pullution and solutions to environmental problems using what we have learned in this lesson. 【自主梳理】1. 判断下列句子中使用了什么时态及情态动词。1. We are trying to save the earth. 2. The river used to be so clean. 3. It was considered the nicest river in the town. 4. The air has become really polluted.\  5. We should help savew the sharks.2. presentation1) verb forms [来源:Zxxk.Com]现在时过去时将来时过去将来时一般[来源:学科网]主动语态ask / asksaskedshall/will askshould/would ask         被动语态am/is/are askedwas/were askedshall/will be askedshould/would be asked进行主动语态am/is/are askingwas/were asking  被动语态    完成主动语态have/has askedhad asked  被动语态have/has been askedhad been asked  2) Modal verbs.Main function of Modal Verbs.①. can (could) 表示能力，could主要指过去时间；表示允许。 ②. may表允许，might可以指过去时间，也可指现在时间，语气更委婉。③. must表示义务。意为“必须”（主观意志）④. shall表征询意见⑤. will表意愿，用于各种人称陈述句；表请求，用于疑问句。⑥. should / ought to应该【重点领悟】1) Fill in blanks with the correct forms of verbs.Interviewer: ___________ you ever ________ (take ) part in an environmental project?Ken:      Yes, I have. I ___________ (help ) with a Clean-Up Day last year. It was _________ (consider) the biggest clean-up project this city __________ ever ___________ (have).Interviewer: How many people __________ (take ) part?Ken:      I ________ ( think) more than 1,000 people ________ (come) to help out.Interviewer: That’s fantastic! I guess everyone in this city is ____________ (try) to improve the environment.Ken:      Yes, evertone should _____________(play ) a part in keeping the city clean.Possible answers: Have taken, helped, considered, had had, took, think, came, trying., play2) Fill in blanks with proper modal verbs. Can   would     could     have to        should    might/may    mustWhen it comes to saving the earth, people _______ think that big things __________be done. However, many forget that saving the earth begins with small things. For example, You _________ save electricity by turning off the lights when you leave a room. You ____ also use paper or reusable bags instead of plastic bags. In some stores, you now __________ pay for plastic bags. I think this is a great idea. And instead of driving to school or work, you ________ ride your bike or walk. If it’s far, you ________ take the bus. All these small things ______ add up and 【探究提升】一．Fill in blanks using proper forms of given words. 1、I'll give the book to him as soon as he  _______  back(come). 2、   ______    the baby _______   crying yet? (stop) 3、I don't know whether mother ________   me to beijing next month.(take) 4、she  ________   on her coat and went out. (put) 5、 “What are they doing?”  “They _______  ready for the sports meeting.” (get) 6、The boy asked his mother  ________   him go and play basketball.(let) 7、I’m sorry to keep you  ________   for a long time. (wait) 8、It  ______   (take) him half an hour  ________   (finish) his homework yesterday. 9、If it   _______  an interesting film, we’ll see it tomorrow. (be) 10、They usually _________  (do) their homework after supper. 11、Listen! who __________   (sing) in the next room now? 12、_______   (be) your parents in shanghai last year? 13、Mr. yu ________   (teach) us maths since 1982.14、They will have a trip (旅行) to the great wall if it ________  (not rain) tomorrow. 15、Li Ming often ________  (listen) to the radio in the morning.二．Choose the best answers.1．-May I stop my car here?-No, you_＿＿＿.A. can't B. mustn't C. needn't D. don't have to2. -Must we clean the house now?-No, you _______.A. needn't B. may not C. mustn't D. can't3. Man __die without water.A. will B. can C. need D. shall4. –You____ return the book now. You can keep it next week if you like.A. can't B. mustn't C. needn't D. may not5. -Johnny, you____ play with the knife, you___ hurt yourself.A. won't...can't B. mustn't...mayC. shouldn't, must D. can't...shouldn't  Answers: 【自主梳理】 1. 现在进行时 2. used to 3. 一般过去时的被动语态 4. 现在完成时 5. should【重点领悟】1) Have taken, helped, considered, had had, took, think, came, trying., play2) may, can’t, can, could, have to, may/might, should ,would, must 【探究提升】1、comes                   2、has, stopped               3、will take        4、put                        5、are getting                   6、to let 7、waiting                 8、took, to finish                 9、is10、do                       11、is singing                   12、were13、has taught           14、doesn't rain               15、listensAAACB