高中英语人教版必修三教学案：Unit 1 Section 3 Word版含答案

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1、 精品资料语法初识原句感知自主探究Festivals can also be held to honour famous people.Some festivals are held to honour the dead or to satisfy the ancestors, who might return either to help or to do harm.Most ancient festivals would celebrate the end of cold weather, planting in spring and harvest in autumn.For the J

2、apanese festival Obon, people should go to clean graves and light incense in memory of their ancestors.以上四个句子都使用了情态动词。其中，句中的can表示许可，意为“可以”；句中的might表示推测，意为“可能会”；句中的would表示过去习惯性动作，意为“过去常会”；句中的should表示劝告或建议，意为“应该”。语法剖析语法点一基本特征1.情态动词有一定的词义，不能单独作谓语，需和实义动词或系动词一起作谓语。The idea that computers can recognize hu

3、man voices surprises many people.电脑能识别人的声音，这种想法使很多人感到吃惊。They must be in the classroom.他们一定在教室里。2情态动词一般无人称和数的变化，个别情态动词有现在时和过去时两种时态变化。Mary can speak three languages.玛丽会说三种语言。I could drive a car before I left school.毕业前我就会开车。3构成否定句时，not放在其后面。My brother cant swim.我弟弟不会游泳。4情态动词后接动词原形。You will do as I tol

4、d you.你得照我说的去做。He might come tomorrow, but I am not quite sure.他可能明天来，但我拿不准。即时演练1单句改错We should to study hard for our motherland and ourselves.去掉toShe can sings that song in English. singssingThis book doesnt must be removed from the library.doesnt_mustmustnt语法点二基本用法1can与could的用法(1)表示能力：can用来表示现在的能力，

5、could表示过去的能力。I can play basketball now, but I couldnt when I was young.现在我会打篮球了，但小时候我不会。(2)表示请求和许可：could语气比can委婉，但回答时只能用can。Could you show me the way?Yes, I can.你能否告诉我怎么去？可以的(没问题)。(3)表示推测，意为“可能”。多用于否定句或疑问句。That cant be Mary shes in hospital.那不可能是玛丽她在住院。(4)表示理论上或习惯上的可能性，意为“可能会”。Scotland can be very w

6、arm in September.九月的苏格兰可能会非常暖和。辨析can用于指现在，常表示自身具有的能力could用于指过去，常表示泛指过去的能力be able to用于各种时态，表示经过努力后所具有的能力I can/am able to reach the apples.我能够到苹果。When I was young, I could climb any tree in the woods.小时候树林里的树我都能爬上去。He will be able to tell you the news soon.他很快就能告诉你消息了。即时演练2选出下列句中can/could的含义A表示能力B表示推测

7、C表示请求和许可 D表示理论或习惯上的可能性Look! Someone is coming! Who can it be？_B_I can speak English fluently while he cant._A_Even an experienced doctor can make a mistake._D_Could I use your computer?Yes, you can._C_2may与might的用法(1)表示征求对方的许可或允许对方做某事(不用might)。May I come in?Yes, you may/can./No, you cant.我可以进来吗？ 是的，

8、你可以进来。/不行，你不能进来。You may come if you wish.如果你想来，你就来。(2)表示推测(把握不大)，意为“可能”，多用于肯定句。might比may可能性更小。Anna may know my phone number.安娜可能知道我的电话号码。It may/might rain this afternoon. 今天下午可能会下雨。(3)may用于祈使句，表示祝愿。May you succeed!祝你成功！May you have a good journey!祝你旅途愉快！即时演练3完成句子A onehour walk may_not_help_you lose

9、a few pounds in a single day, but its longterm health benefit can never be ignored.每天一个小时的行走锻炼也许不能使你在一天之内减掉几磅，但是它长期的健康益处绝不能被忽视。Life is unpredictable; even the poorest might_become_the_richest生活是不可预料的，即使是最贫穷的人也可能成为最有钱的人。3will与would的用法(1)表示意志或意愿，意为“会；想；要”等。多表示从主语的主观意志出发，愿意做某事。If your father will go cl

10、imbing, please take him there if you are free.如果你父亲愿意爬山，你有空的话，带他去那里。I would like to have a word with you. 我想跟你说句话。My parents wont allow me to stay out late. 我的父母不会允许我在外待到很晚。(2)表示请求或建议，多用于疑问句。would语气更委婉。Will/Would you tell me how to get to the shopping mall?你可以告诉我怎么去购物中心吗？Would you pass me the bottle

11、? 请你递给我那个瓶子好吗？(3)表示习惯性动作或客观真理，意为“总是；老是”。will表示现在，would 表示过去。She will listen to music alone in her room for hours. 他独自在房间里听音乐，一听往往就是几小时。Oil will float on water.油总是浮在水面上。He would be nervous when he met strangers.遇见陌生人时他总是很紧张。辨析would表示过去反复发生的动作不强调现在还是否经常发生used to表示过去常常做某事，但现在不这样做了He would go to the par

12、k as soon as he was free. 过去，他一有空就去公园。(动作反复发生，现在还有可能再去)People used to believe that the earth was flat. 过去，人们总以为地球是扁平的。(表示过去的动作，但现在已不再这样认为)即时演练4完成句子She doesnt get up so early as_she_used_to她不像以前那样起得那么早了。She said that she would_buy_a_car她说她会买一辆汽车。Would_you_please_open/Would_you_mind_opening the window

13、 for me?请你为我打开窗户好吗？As is known to all, fish will_die without water.众所周知，没有水鱼就会死。4shall与should的用法(1)shall用于疑问句中多表示征求建议，主要用于第一、三人称。Shall he come to see you ?要他来看你吗？(2)shall用于肯定句中多表示说话者的允诺、告诫、威胁、命令、规定、必然性等，主要用于第二、三人称。Persons under 18 shall not be employed in night work.不满十八岁的人不得雇用做夜间工作。(3)should表示劝告或建议

14、，意为“应该；要”。You should do as I told you.你应该照我说的去做。(4)should表示义务或责任，意为“应该；理应”。We should learn from each other. 我们应该互相学习。(5)should表示推测，意为“应该；可能”。She should pass her chemistry final.她应该能通过化学期末考试。(6)should表示惊讶或意外，意为“竟然”。Its strange that he should come so late. 他竟然来这么迟真是奇怪。即时演练5单句改错What will I get for dinn

15、er？willshallShall you swim across the river？ShallCanPassengers can not talk with the driver while the bus is moving.canshall5must的用法(1)must表示命令或强烈的建议，意为“必须”。You must practice your spoken English if you want to improve.如果你想提高，就必须练习英语口语。(2)表示十分肯定的推测，意为“一定；准是”； 其否定结构mustnt表示禁止，意为“不准；禁止”。Jack and Dick m

16、ust be twins. They look so much alike. 杰克和狄克准是双胞胎，他们长得太像了。(3)表示说话人的一种态度，意为“偏要；硬要；偏偏”。Must you make so much noise when I have a rest? 你就非得在我休息时弄出这么大的声音吗？The car must break down just when I was about to start.我正要出发时车偏偏抛锚了。点津回答must问句时，肯定回答多用must；否定回答多用neednt或dont have to。Must I finish my homework befor

17、e eight oclock?Yes, you must.(No, you neednt.或No, you dont have to.)我必须要在8点之前完成作业吗？是的，必须。(不，没必要。)即时演练6完成句子If you must_go,_at least wait until the storm is over.如果你非要走的话，至少要等暴雨停了再走。She must_be_tired after such a long walk.走了这么长的路，她一定累了。链接高考选词填空1(2016天津高考)It was really annoying; I couldnt get access t

18、o the data bank you had recommended.(shouldnt/couldnt)2(2015北京高考)Dr. Jackson is not in his office at the moment.All right.I will call him later.(can/will)3(2015北京高考)Cant you stay a little longer?Its getting late.I really must go now. My daughter is home alone.(may/must)4(2015重庆高考)You must be Carol.

19、You havent changed a bit after all these years.(have to/must)5(2015陕西高考)You may feel all the training a waste of time, but Im a hundred percent sure later youll be grateful you did it.(will/may)6(2015四川高考)You must be careful with the camera.It costs！(may/must)7(2014大纲卷)Although you can find bargains

20、 in London, its not generally a cheap place to shop.(can/could)8(2014江苏高考)It was sad to me that they, so poor themselves, should bring me food.(could/should)9(2014北京高考)Can I have a word with you? It wont take long.(can/be able to)10(2014四川高考)I still remember my happy childhood when my mother would t

21、ake me to Disneyland at weekends.(will/would)针对演练.用适当的情态动词填空1Can you imagine that he should speak to his mother like that?2The boy must go home now. Dont worry.3Can/Could I use your mobile phone?4Shall I let him in, Madam?5May I use your computer?No, you cant6Mary could play the violin when she was

22、five.7I hope the weather will be fine and you will have a good time.8He cant go with you; he has to study up tonight.9She would turn to me when she was in trouble.10If someone had tempted to save him, he might not have drowned.完成句子1May_everyone_be_happy!祝大家开心！2I havent seen Alice for several years.

23、She must_be_a_big_girl now.我有几年不见爱丽丝了。现在她一定是个大姑娘了。3Mike cant_be_cleaning the classroom now. I saw him playing basketball on the playground a moment ago.迈克现在肯定不在打扫教室。刚刚我看见他正在操场打篮球。4This kind of kite made of silk wont_be_easily_torn,_so dont worry about it.这种用丝绸制作的风筝不容易撕破，因此不用担心。5This disabled bird ca

24、nt fly. Could_you_help_it?这只残疾的鸟不能飞。你能帮帮它吗？6I hope you can_understand_me我希望你能理解我。7At the same time, I will_not_forget to go over my lesson.同时，我不会忘记复习功课。8My mother gave me a hug and I could_see_satisfaction in her eyes.我妈妈给了我一个拥抱，并且我能够看出她眼中的满意。9I must_offer my thankfulness to Jack for his kindness.因杰

25、克的善良，我一定要表达对他的谢意。10We should_avoid_hurting_others if we cant always be encouraging when we speak.当我们说话时，即使不能一直鼓励他人我们也应该避免伤害(他人)。.短文改错Last Monday, our history teacher asked us write a report about the American Civil War. To finish the homework, I went to the school library to borrow any books. Theref

26、ore, when I got there, I couldnt find the books I needed them. A librarian work there told me such books had been borrowed by others, that made we worried. I was about to leave a library when I meet Liu Jie, one of my friends. Before I told her my problem, she said she had a book about the topic at home. After school, I went to her home to take the books. Thanks to Liu Jie, I finished my report quickly.答案：第一句：write前加to第二句：anysome第三句：ThereforeHowever；去掉them第四句：workworking; thatwhich第五句：athe; meetmet第六句：BeforeAfter第七句：booksbook