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Unit 13 Section A Grammar Focus-4c.pptx

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人教版九年级英语下册全册教学课件
- 人教版九年级英语下册教学课件

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Unit 13 We’re trying to save the earth ! 人教版九年级英语下册 Section A Grammar Focus-4c Objectives To learn about The Present Continuous Tense, passive voice, Present Perfect and Modal Verbs. Have you ever take part in an environment project? What should you do to save the environment ? ① turn off the lights when… ② use the paper bags ... ③ walk to school... Warming up We’re trying to save the earth. Present progressive The river used to be so clean. used to The air is badly polluted. Passive voice No scientific studies have shown that shark fins are good for health. Present perfect We should help save the sharks. Modal verbs Grammar Focus 现在进行时表示现在或现阶段正在进行或发生的动作。 ① 肯定句 : 主语 + am/is/are + -ing ② 否定句 : 主语 + am/is/are + not + -ing ③ 疑问句 : Am/Is/Are + 主语 + -ing Language points 现在进行时的用法 1. 表示说话时正在进行的，目前正在发生的动作。常带有表示目前时刻的时间状语如： now, at the (very) moment, for the time being, at present, 及 Look! Listen! ... ① Look! The big bird is flying away . 看，那只大鸟正在飞走。 ② He is watching a movie now. 他现在正在看电影。 2. 表示目前一段时间内正在进行，但说话时可能没有进行的动作。 Right now I am studying Chinese by distance learning. 我现在正通过远程教育学习汉语。 3. 与 always, constantly, forever, all the time 等副词连用，表示动作反复或习惯。此时句子常含有说话者的强烈情感在内。表达较强的 “ 责备 ”或“ 表扬 ”之意。 ① You are always changing your mind. 你总是主意不定。 ( 太烦人了。 ) ② He is always helping others. 他总是帮助别人。 ( 他真是个好人。 ) 4.对于 come, go, leave, arrive, start 等表示位置移动的动词常可用进行时态表将来。 ① He is leaving on Wednesday. 他将于周三离开。 ② Mary isn’t here at the moment. She is coming later. 玛丽现在不在这儿，她一会儿来。用括号内所给动词的适当形式填空。 Listen ! The phone __________(ring). Please go to answer it. 2. — Alan, it’s late. Why not go to bed? — Jenny hasn’t come back yet. I ___________ ( wait) for her. 3. — What’s your father doing now? — He __________ (write) a letter in the study . is ringing am waiting is writing What a fine day today! Look! What are they doing? Group discussion used to do sth. 表示过去常常做某事，而现在往往不做了，后接动词原形 be used to doing sth. 表示习惯于做某事 I used to get up at six o’clock. 我以前六点钟起床。 Joe is used to drinking a cup of coffee every morning. 乔习惯每天早晨喝一杯咖啡。 used to do & be used to doing Translation. 1 . 她过去常常周末和朋友闲逛。 She used to hang out with friends on weekends . 2 . 他习惯于每天晚上睡得很晚。 He is used to staying up. 被动语态： Passive voice 定义：表示主语是动作的承受者，即行为动作的对象的一种语态。结构： be + 过去分词 A new school was built last year. Our classroom is cleaned every day. 　 ① 一般现在时的被动语态： am/is/are + V-ed The first section of New College English is designed for speaking practice and is based on pictures and topics . ② 一般过去时的被动语态： was/were+ V-ed These computers were made in our own country last year . ③ 一般将来时的被动语态： will/shall+be+ V-ed Shall we be asked to attend the opening ceremony ? 　　　 1. 有些动词可以有两个宾语，直接宾语与间接宾语。一些特殊的被动语态 They didn’t offer Ann the job. Ann wasn’t offered the job. 间接宾语直接宾语主语 (2) 直接宾语做主语，需在间接宾语前加 to 或者 for. 在变为被动语态时 : The job wasn’t offered to Ann. 主语 She made me a cake. (1) 间接宾语 ( 通常指人 ) 做主语，直接宾语依然保留在谓语后边。 A cake was made for me. 主语 2. 在使役动词 have, make, get 以及感官动词 see, watch, notice, hear, feel, observe 等后面不定式作宾语补语时，在主动结构中不定式 to 要省略，但变为被动结构时，要加 to 。 They make her clean the floor.  She is made to clean the floor by them. 3. It + be + V-ed + that 从句 = 主语 + be + V-ed + to do sth . 表示 : 据说 / 据报道 / 据悉 / 据信等 …… It is said that the boy has passed the national exam. The boy is said to have passed the national exam. 据说这个男孩已经通过了这次全国性的测试。某些感官动词加形容词及少数其他的动词与一些副词连用表示被动意义。 smell , taste, prove, sell, etc. The dish tastes delicious. The theory proved right at last. The book is so interesting that it sells well. The pen writes well . 不可以变成被动语态的情况 2. need 做实意动词时， need + V- ing 主动形式表示被动意义。我的车需要修理。 My car needs repairing. (= to be repaired). 3 . 通常只有及物动词（组）才有被动语态，不及物动词没有。战争爆发了。 The war broke out . 但不能说： The war was broken out . Translate the sentences by using Passive voice. 1. 刚才一些老年人参观了博物馆。 2. 工人们使用不同种类的机器工作。 The museum was visited by some old people just now. Different kinds of machines are used to work by the workers. 【运用】用括号内所给动词的适当形式填空。 1. The Secondary School Entrance Exam _______ (hold) in June. 2. A strange noise __________ (hear) by his mother last night. 3. A wide road _____________ ( build) between the two villages by those people next year. is held was heard will be built 定义：表示动作已经完成 , 但对现在造成影响；或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。标志词： already, yet, ever, never, since, for… I haven’t finished my homework yet . 现在完成时 : Present Perfect 肯定句：主语 + have / has + V-ed + 其他否定句：主语 + haven’t / hasn’t + V-ed + 其他一般疑问句： Have / Has + 主语 + V-ed + … ？肯定答语： Yes, 主格代词 + have / has . 否定答语： No, 主格代词 + haven’t / hasn’t . 现在完成时 — 构成 Complete the following sentences. I _________ (be) in Beijing for two years. 2. I _____ never _____ (hear) of that man before. 3. Tom _____________ __ _ (work) there since two years ago. have been have heard has worked 4. The twins _____________ (wash) the clothes for an hour. 5. He __ _________ (play) basketball since three years ago. 6. How long _ __ ___ Sally __ _____ (sing) yet? have washed has played has sung 情态动词本身有一定的词义 , 表示说话人的情绪、态度或语气 , 但不能单独作谓语 , 只能与其他动词构成谓语。常见的有 : can (could), may (might ), must , need, shall (should), will (would) 等。情态动词情态动词无人称和数的变化，后接动词原形。否定式是在情态动词后面加 not 。个别情态动词有过去式形式，可用来表达更加客气、委婉的语气。 Ken can climb up the trees like a koala. Tracy could ride a bicycle when she was five years old. You mustn’t play with fire. It is dangerous. Translation. 1. 我们不能在教室里吃东西。 2 . 首先你必须完成作业。 3 . 他现在不可能在家。 4 . 她一定知道这个问题的答案。 We can’t eat in the classroom. You must finish your homework first. He can’t be at home now. She must know the answer to this question . Joe: __________ 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). Joe: How many people __________ (take) part? Have taken help considered to be had had have taken 4 a Fill in the blanks with the correct forms of the verbs in brackets. Ken: I __________ (think) more than 1,000 people _________ (come) to help out. Joe: That’s fantastic! I guess everyone in this city is _______ (try) to improve the environment . Ken: Yes, we can’t afford to ___________ (wait) any longer to take action! think have come trying waiting People______think that big things ______ be done to save the earth. 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 reusable bags instead of plastic bags. can would could have to should must may/might may must could could Fill in the blanks with the appropriate modal verbs from the box. 4 b I think it’s a great idea that you now ______ pay for plastic bags in some stores. 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 become big things that _________ improve the environment. Let’s take actions now ! have to can can would s hould can would could have to should must may/might Make a list of things that people can do to help the environment and discuss your list with your partner. use public transportation (n. 交通运输 ); turn off the lights when you leave a room; use reusable bags instead of plastic bags; ride your bike or walk to school or work; stop using paper napkins( 餐巾纸 ); recycle books and paper... 4c Discussing ... use public transportation take your own shopping bags when go shopping reduce the use of air conditioners in summer turn off the lights when you leave the room grow more plants... A: I think that everyone should take your own shopping bags when go shopping. B: I agree. it's good for the environment. A : I think that everyone should reduce the use of air conditioners in summer. B: I disagree.The summer is so hot, especially in sourth China. Without air- conditioners , people may not have the patience to work . A: I think that everyone should turn off the lights when you leave the room. B: I agree. It's good to save energy resources . A: I think that everyone should use public transportation. B: I disagree. it's diffcult for parents with young children to use public transportation. A: I think that everyone should grow more plants . B: I agree.Growing more plants will provide us more fresh air and make our plant more beautiful . 辨析： join, join in 和 take part in j oin 加入组织，团体，党派等，有作为其中的一个成员的含义; 后面也可以加表示人的名词，表示和某人一起参加某活动 join in 加入一种具体活动 take aprt in 指参加会议或群众性活动等，着重说明句子主语参加该项活动并在活动中发挥作用 I. 选择正确的形式填空。 1. Nick ____________ ( offer) a job in a bank , but to our surprise, he didn’t take it. 2. — Have you heard of the Earth Day? — Yes. The first Earth Day ____________( celebrate ) in 1970 to educate us to protect our planet. 3. — Excuse me, whose book is this? — It ______ ( must) be John’s. It has his name on it. was offered was celebrated must Exercises 4. Don’t make so much noise. The children ___________ (have) an English lesson. 5 . —Why won’t you go to the movie with me , Gina? — Because I ____________ ( see) it twice. 6. — ______ ( can) I swim here? — No, you ____ ___ ___ ( must). Look at the sign “ No swimming ”. are having have seen Can mustn’t II . 单项选择。 1 . We ’ re trying ______ the earth. A . to save B. saving C . saved D . be saved 2. My good friend becomes good at __________ English every day. A . speak B . speaking C . speaks D. to speak A B 3. I ______ take dance lessons, but I don ’ t do anymore now. A . used to B . used C . using D . to use to 4. It was _______ the nicest river in town. A . considering B. considered C . have considered D . to be considered 5. When it comes to ________ the earth, people may think that big things should be done. A . save B . be saved C . saved D . saving A B D 6. In the last ten months, September Miracle ____ on CCTV for more than five times and is popular all over the country. A. has played the piano B . has given out their song disks C .has written songs D. has performed 7. Not only my friends but also I _______ interested in football and Messi is our favorite star. A. be B. am C. is D. are D B 8. It’s getting dark. Please _____ the light. A . turn on B . turn off C . turn down D . turn around 9. — How does Jack usually go to work? — He _____ drive a car, but now he _____ there to lose weight. A . used to, is used to walk B . was used to, is used to walking C . was used to, is used to walk D . used to, is used to walking A A 10 . He promised to pick me up at the school gate . However , he _____ yet. A. didn’t arrive B . doesn’t arrive C . isn’t arriving D. hasn’t arrived 11 . Ba Jin, one of the greatest writers in China, _____ as “People’s Writer”. A. is regarded B. has regarded C . is regarding D. regards D A 12. Many young people took part in _______ trees on Tree Planting Day. A . planting B. plants C . to plant D. plant A III . 根据所给汉语完成英语句子。 1. 这条河过去很干净。 The river _______ _______ _______ so clean. 2. 我们应该帮助拯救鲨鱼。 We should _______ _______ the sharks. used to be help save 3. 然而，很多人忘记了拯救地球从小事做起。 However , many forget that saving the earth _____________ small things. 4. 在很多商店，你不得不付塑料袋的费用 In some stores, you now have to ________ plastic bags. 5. 我们认为每个人都应该使用公共交通工具。 We think that everyone should use ________ ___________ __ __. begins with pay for transportation public 6. 所有这些小的事情加起来变成能改善环境的大的事情。 All these small things can _____________ and become big things that would ______ __ ____________________. 7. 我们已经看到环境方面的很多变化。 We ____________________________ in the environment . 8. 空气污染变得越来越糟糕了。 The air pollution is ___________ __ _________________. add up improve the environment have seen many changes getting worse and worse 9. 这条河被工厂污染了。 The river ________________ by factories. 10 . 人们应该多乘坐公共交通工具。 People should _________________________ more . is polluted take public transportation 中考链接 (2019· 湖北咸宁 ) — The passenger refused to move after taking another one’sseat! —What a shame! He _______according to the newly credit system( 诚信体系 ). A . punish B . punished C . will punish D . will be punished D ( 2019 · 湖北黄石) — The beautiful lady with glasses over there looks like our English teacher. — It _________ be her. She has gone abroad. A . c an’t B. may not C. mustn’t D . n eedn’t A Review present progressive, passive voice , present perfect, used to and modal verbs. 2. Read the articles in Learning English. 3. Preview the new words and expressions 4. Preview 1a-2a on page 101. Homework 伴你成长查看更多

Unit 13 Section A Grammar Focus-4c.pptx

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