人教版高一英语英语必修3Unit1语法情态动词


shall和should
shall 用法
1. 表征求意见,用于一、三人称 , (疑问句)
Shall we go by train, Mom?
Shall he attend the meeting?
shall和should
shall 用法
2.用于二 、三人称 的陈述句中,表威胁、 警告、命令、允诺等语气 He shall be sorry for it one day, I tell you.
To my surprise, he should be a thief. Why should everyone want to marry Tony?
must的主要用法
1. 必须,应该。 语气比should,ought to 强烈。 eg: Everybody must obey the law.
2.表示习惯或倾向, 意为“总是”,“习惯于”。 eg: Fish will die without water. People will talk. (人们总会说闲话。) When we worked in the same office, we would often have coffee together.
(警告) You shall do as I say. (命令) If your children don’t do as I tell you, you shall not go to the party. (威胁)
should 用法 1. 应该=ought to (劝告、建议)
You should study hard.
Unit 1 Grammar
Modal Verb I 情态动词
什么是情态动词? (Modal Verbs)
情态动词表示说话人的某种感情或 语气,对某一动作或状态的某种态度。 表示“需要、可以、必须、应当”等。
Underline the modal verbs
① Most ancient festivals would
2014年2月22日星期六 10
may和might
may 的用法:
1. 表示请求、允许(比can较为正式)
eg. May I come in ?
You may go now.
★用may 提问,否定回答用
must not (mustn’t) 禁止、阻止
had better not 最好别 may not 不可以
14
will和would
Question: will/would 是助动词还是情态动词? will 构成将来时-----助动词。 表示“意志”“决心”“请求”---情态动词。 例: I will tell you something important. 我要告诉你一件重要的事情。(助动词) Will you tell her that I'm here? 请您告诉她说我在这儿,好吗?(情态动词)
B could have taken
C needn’t have taken
D mustn’t have taken
5 —How’s your tour around the North
Lake? Is it beautiful? —It ________ be, but it is now heavily polluted. (2007 全国I) A. will B. would
— Khulaifi. _____ I spell that for
you?(2006 北京) A. Might B. Would C. Can
D. Shall
3 Some aspects of a pilot’s job_____ be
boring, and pilots often _____ work at inconvenient hours. (2006 湖南) A. can;have to B. may;can
will 和 would的用法
1、表示请求、建议等,用于第二人称
(用would比will委婉)
Will you please take a message for him? Would you please tell me your telephone number?
2014年2月22日星期六 16
celebrate the end of cold weather.
② It is now a children's festival, when they can dress up
③ If the neighbors do not give any sweets,
the children might play a trick on them.
2/22/2014 3
Underline the modal verbs ④ In European countries, people will
usually decorate churches
⑤ She would never forget him.
⑥ At the Spring Festival in China, people may give children lucky money in red
1 Children under 12 years of age in that country ____ be under adult supervision when in a public library.
(2004 上海)
A. must C. can
B. may D. need
2 — What’s the name?
——May I smoke here? ——Yes, you may. No, you mustn’t No, you’d better not. No, you may not.
2/22/2014
12
2. 表示说话人的猜测(肯定句和否定句) 含有“也许”“大概” “可能”之意。 My friend may arrive this afternoon.
--Must I come back before ten? --No, you needn’t. ★表猜测的否定或疑问句用can/could,不 用mustn’t. If Mary didn’t leave here until 5:00, she can’t be home yet.
Exercise
can和be able to辨析
can(could)和be able to都可以表示能力,意思

上没有区别。但can只有现在式和过去式,
而be able to则有更多的形式。如:
Those bags look really heavy, are you sure you’ll be able to carry them on your own?
C. should
D. must
6 I told your friend how to get to the hotel, but perhaps I have driven
her there. (2007 陕西)
A. could C. night B. must D. should
4. There ____ be any difficulty about passing the road test since you have practised a lot in the driving school. A. mustn’t B. shan’t C. shouldn’t D. needn’t
paper.
2/22/2014 4
情态动词的语法特征
(除ought to; have to外) 2. 情态动词没有人称,数的变化,但有 些情态动词(如can, will)有一般式 和过去式的变化。
1. 情态动词不能单独做谓语,后接动词原形。
Modal Verb I
may/might can/could will/would shall/should must/can’t
4. 万一,用在if引导的条件句中,表示一件事 听起来可能性很小,但也不是完全不可能。 或直接用于句首。
If I should be free tomorrow, I’ll come.
Should I be free tomorrow, I’ll come.
should 用法 5. “居然”,“竟然”,表说话人意料之外。
You mustn’t drive so fast in the street. 2. 表示有把握的猜测。“一定”、“准是” 结构:must be eg: He must be an honest boy.
★用must 提问,回答方式 肯定回答:yes, please / I’m afraid so 否定回答 :needn’t / don’t have to
could的主要用法:
1. could ---can的过去式, 表示与过去 有关的能力或推测: eg. I can speak fluent English now , but I couldn’t last year.
2. could可以代替can表示请求, 但语气较can 客气、委婉: eg. Could you lend me your dictionary? Could I use your bike? ★用could 提问,答语用can (即:could 不能用于现在时态的答语中) ---Could I borrow your pen? ---yes, you can.
2/22/2014 6
can和could
can的主要用法是:
1. 表示能力: eg. The girl can dance very well. 2. 表示说话者的推测﹑事物的可能性: eg. Can the news be true? 3. 在口语中, 表示请求或允许: eg. Can I sit here?
合集下载

高一英语英语必修3Unit1语法情态动词1PPT课件

高一英语英语必修3Unit1语法情态动词1PPT课件

7
情态动词的语法特征
1. 情态动词 不能单独做谓语,除ought 和have外,后面只能接不带to 的不定式。
2. 情态动词没有人称,数的变化,但有 些情态动词,如can, will也有一般式 和过去式的变化。Biblioteka 03.10.20208
只作情态动词的
can/could, may/might, ought to, must 可情态可实义的 need, dare/dared 可情态可助动词的 shall/should, will/would 相当于情态动词的 have to, used to
03.10.2020
5
Permission: All passengers may now
board.
We can board now.
Obligation: You must fasten your seat
belts.
(strong) You should pay attention.
(weak)
情态动词表示说话人的某种 感情或语气,对某一动作 或状态的某种态度。 表示“需要、可以、 必须、应当”等。
03.10.2020
4
Words like can, will, may, must, and a few others are called modals. Modal verbs help other verbs express a
You ought to pay attention.
Possibility: 1 It may rain.
2 How could I forget an
important thing like that?
3 He can’t /couldn’t have

人教课标版高中英语必修3Unit1_单元语法详解

人教课标版高中英语必修3Unit1_单元语法详解

Unit1 单元语法详解情态动词(I)情态动词的基本用法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,只能和其他动词原形构成谓语。

情态动词用在行为动词前,表示说话人对这一动作或状态的看法或主观设想。

情态动词虽然数量不多,但用途广泛。

1. may/might(1)表示许可或征询对方意见,意为“可以”,主要用于肯定句和疑问句中。

might比may的语气更委婉。

You may park here. 你可以在这里停车。

May I speak to you? 我可以跟你说话吗?(2)may可以放在句首,表示祝愿。

固定句型为“May+主语+do”。

May you succeed! 祝你成功!May you both be happy! 祝你们二位幸福!(3)表可能性,意为“也许”,常用于肯定句(might可能性最小)。

He may refuse to speak to you, because he’s in a bad mood.他可能会拒绝和你说话,因为他的情绪不好。

例1单句填空No matter how late it ( be),she will wait for her son to have dinner together.解析:考查情态动词。

句意:不管多么晚,她都要等儿子一起吃晚饭。

根据语境可知,此处may在让步状语从句中,表示一种可能性。

答案:may be2. can/could(1)表示具备某种能力,常译作“能”、“会”。

could主要指过去能做。

Can you play the piano? 你会弹钢琴吗?He could speak English when he was a child.当他是个孩子的时候他就会说英语。

(2)表示提出请求或征求许可。

could用于疑问句中表示委婉语气,但不用于答语中。

Can/Could I smoke here? 我可以在这里吸烟吗?(3 ) can可用于肯定句中,表示常有的行为和情形,意为“有时会,时而可能”。

人教版高一英语必修三 unit1 grammar 情态动词课件

人教版高一英语必修三 unit1 grammar   情态动词课件

e.g: He must/can/may/might know the answer to the question.
表推测的 三种句式
2. 否定句:can't/couldn't (不可能),may not/might not (可能不)
e.g: It can't/ couldn't be the Miss Lin. She has gone to America.
The boy can’t be Jim. He’s can可能 much taller.
can’t不可能 这个男孩不可能是吉姆。他 要高很多。
2. 常见情态动词
原形
用法
含义
例句
(过去式)
may
(might)
Tony may know the way.
表示可能性(可 与maybe互换)
可能
=Maybe Tony knows the way.
2. 常见情态动词
原形
用法
(过去式)
表示能力(= be able to)
含义
例句
能;会
Tom can swim. =Tom is able to swim.
汤姆会游泳。
can
(could)
(疑问句中)表示 请求
可以 Could you give us a hand?
你可以帮我们一下吗?
(否定句、疑问 句中)表示可能 性
• can 不肯, may 不问,must 不否问
注释: can表示推测通常不用于肯定句 may表示推测通常不用于疑问句 must表示推测通常不用于否定句和疑问句
肯定猜测的语气强弱:must>can> could>may>might

高一英语英语必修3Unit1语法情态动词课件精选

高一英语英语必修3Unit1语法情态动词课件精选

高一英语英语必修3Unit1语法情态动词课件精选一、教学内容本节课选自高一英语必修3 Unit1的语法情态动词部分。

具体内容包括:1. 章节内容:Unit1 Festivals around the world2. 详细内容:情态动词的用法,包括can, may, must, need, should等;情态动词在肯定句、疑问句和否定句中的使用;情态动词与动词原形的搭配。

二、教学目标1. 掌握情态动词的基本用法,能够正确运用情态动词表达推测、许可、能力等。

2. 能够在肯定句、疑问句和否定句中正确运用情态动词。

3. 能够通过本节课的学习,了解并尊重世界各地的文化差异。

三、教学难点与重点1. 教学难点:情态动词的用法区别,如can和be able to的用法区分,情态动词在疑问句中的用法等。

2. 教学重点:掌握情态动词的基本用法,能够在实际语境中正确运用。

四、教具与学具准备1. 教具:多媒体课件、黑板、粉笔。

2. 学具:学生用书、练习册、笔记本。

五、教学过程1. 导入:通过展示世界各地节日的图片,引导学生谈论自己了解的节日,引入新课。

2. 讲解:结合教材,详细讲解情态动词的用法,通过例句、对比等方式帮助学生理解。

3. 实践:设计实践情景,让学生运用情态动词进行对话练习。

4. 例题讲解:分析并讲解教材中的例题,帮助学生巩固所学知识。

5. 随堂练习:布置教材中的练习题,及时检查学生的学习效果。

六、板书设计1. 情态动词的基本用法can/may/must/need/should + 动词原形2. 情态动词在肯定句、疑问句和否定句中的使用3. 情态动词的用法区别七、作业设计1. 作业题目:a. 根据所学情态动词,完成下列句子。

b. 运用情态动词,编写一段关于节日的对话。

2. 答案:a. 例如:He can speak English fluently. / Can I go to the party?b. 例如:A: Can you tell me about the Spring Festival?B: Sure. The Spring Festival is the most important festival in China. We usually celebrate it with our families. We must clean our houses and make delicious food.八、课后反思及拓展延伸1. 反思:关注学生在课堂上的表现,及时了解他们对情态动词用法的掌握程度,调整教学方法。

高一英语英语必修3Unit1语法情态动词课件

高一英语英语必修3Unit1语法情态动词课件

2017年2月18日星期六
10
4.shall和should
shall 用法 1. shall表征求意见,用于一三人称
Shall we go by train, Mom? Shall he attend the meeting? 2.用于二 三人称 的陈述句中,表威胁警告命令允诺等语 气 疑问句中
You shall get a present when I came back.
5.must的主要用法
1. 必须。must表主观“必须” have to 表客观“不得不” I must go home this Saturday. I’ve got a cold, so I have to see a doctor.
---Must I stay here?
---Yes, you must./ No, you needn’t./you don’t have to. ★mustn‘t 表禁止,不准,一定不要。 You mustn't play with fire. You mustn't take drugs.
You shall be punished if you break the rules.
2017年2月18日星期六 11
should 用法
1. 应该=ought to
You should study hard.
2. 表万一,多位于句首。
Should he come, I would let you know.
eg. Can I sit here?
2017年2月18日星期六 4
2. could的主要用法是:
A. could 是can的过去式, 表示与过去 有关的能力 和推测: We all knew that the young man couldn’t be a doctor. B. could可以代替can表示请求, 但语气较can客气、

人教版高一英语Book 3 Unit 1 语法:情态动词 Grammar Modal Verbs课件[内嵌音频](共23张PPT)

人教版高一英语Book 3 Unit 1 语法:情态动词 Grammar Modal Verbs课件[内嵌音频](共23张PPT)
could have done
本来能够做却没做
should/ought to have done
本来应该做却没做
shouldn’t/oughtn’t to have done
本来不该做却做了
needn’t have done
本来不必做却做了
DESIGNED BY Mr.Fan
1. ---Guess what! I have got A for my term paper.
A. can’t
B. wouldn’t
C. shouldn’t
D. needn’t
4. She ______ have left school, for her bike is still here.
A. can’t
B. wouldn’t
C. shouldn’t
D. needn’t
DESIGNED BY Mr.Fan
5. He ___B_______ have completed his work;
otherwise, he wouldn’t be enjoying himself by the seaside. A. should B. must C. wouldn’t D. can’t
3. 表请求或许可(表请求时,could比can语气更委婉)
Can/Could I use your dictionary?
Could you lend me a hand?
DESIGNED BY Mr.Fan
1. Michael ____B___ be a policeman, for he’s much
对现在的推测
must have done
must do

人教版高中英语(必修3)重点词汇、短语、句型、语法全汇总

人教版高中英语(必修3)重点词汇、短语、句型、语法全汇总Unit1 Festivals around the world重点词汇1.take place 发生2.religious 宗教的3.in memory of 纪念4.belief 信任,信心,信仰5.dress up 盛装,打扮6.trick 诡计,窍门7.play a trick on 搞恶作剧,诈骗8.gain 获得9.gather 搜集,集合10.award 奖品,授予11.admire 赞美,钦佩12.look forward to 期望,盼望13.day and night 日夜14.as though 好像15.have fun with 玩的开心16.permission 许可,允许17.turn up 出现,到场18.keep one's word 守信用19.hold one's breath 屏息20.apologize道歉21.obvious 显然的22.set off 出发,动身,使爆炸重点短语1.mean doing sth. 意味着mean to do sth. 打算或企图做某事mean sb. to do sth. 打算让某人做某事be meant for 打算作……用; 为…而有2.take place 发生;举行3.of all kinds 各种各样的4.starve to death 饿死be starved of 缺乏starve for sth, starve to do 渴望5.plenty of 大量; 充足6.be satisfied with对......感到满意to one's satisfaction令某人感到满意7.do harm to sb.=do sb. harm 伤害某人8.in the shape of 呈…的形状,以…的形式9.in memory of/ to the memory of sb.纪念某人10.dress up 穿上最好的衣服;打扮,化装11.award sth.(to sb.)和award sb.sth.(for sth.) 颁奖reward sb. for sth. 因…奖赏某人reward sb. with sth. 用某物酬劳某人12.admire sb. for sth在某方面钦佩某人13.look forward to期望,期待,盼望14.have fun with(与某人)玩得开心;过得快乐( have a good time;enjoy oneself.)15. turn up 出现;调大/高turn down 拒绝;调小/低turn off 关掉turn on 打开turn out 结果是......turn to sb. for help 向某人求助16.keep one's word 守信用break one's word, 失信17.It be obvious that-clause显而易见;一目了然18.set off 出发; 使(地雷、炸弹)爆炸set in 开始set up 建立,创立set out to do = set about doing sth. 着手做set down 写下,记下19.remind sb. of sth. 提醒,使想起重点句型1.Please make sure when and where the accident took place.请查清楚事故是何时何地发生的。

人教版高一英语英语必修3Unit1语法情态动词 (共35张)


1 Children under 12 years of age in that
country ____ be under adult
supervision when in a public library.
(2004 上海)
A. must
B. may
C. can
D. need
2 — What’s the name? — Khulaifi. _____ I spell that for you?(2006 北京) A. Might B. Would C. Can D. Shall
Modal Verb I
may/might can/could will/would shall/should must/can’t
7/30/2021
6
can和could
can的主要用法是:
1. 表示能力: eg. The girl can dance very well.
2. 表示说话者的推测﹑事物的可能性: eg. Can the news be true?
should 用法
1. 应该=ought to (劝告、建议) You should study hard. You should read his new book.
2. 表估计,可译为“按理应当”、“估计”。 Try phoning Robert, he should be home
now.
should 用法 3. 用于第一人称,询问意愿,语气温和委婉
can(could)和be able to都可以表示能力,意思 上没有区别。但can只有现在式和过去式, 而be able to则有更多的形式。如:
Those bags look really heavy, are you sure you’ll be able to carry them on your own?

高一英语英语必修3Unit1语法情态动词课件


2迈4.11克.202一0 定还没有找回他的车, 因为早上他是
18
坐公共汽车来上班的。
need & dare (dared)
情态动词 : (无单三形式)
need/dare do sth need/dare not do sth 实意动词: need/dare to do sth don’t/doesn’t/didn’t dare to do sth
24.11.2020
22
2 Some aspects of a pilot’s job_____ be
boring, and pilots often _____ work at inconvenient hours. (2006 湖南) A. can;have to B. may;can
C. have to; may
24.11.2020
10
4.shall和should
shall 用法 1. shall表征求意见,用于一三人称 疑问句中
Shall we go by train, Mom? Shall he attend the meeting? 2.用于二 三人称 的陈述句中,表威胁警告命令允诺等语 气 You shall get a present when I came back. You shall be punished if you break the rules.
Wuhan.
2. At this moment, our teacher ___m__u_s_t_b__e_m__a_r_k_ing
our exam papers.
这时, 我们老师想必在批改试卷。
3. The road is wet. It _m__u_s_t_h__a_v_e__r_a_in__edlast night.

人教版高中英语必修3 Unit1 情态动词第四讲:need、dare 基本用法

morning the train comes by my house.
(天津高考)
It’s quite warm here; we ________ turn the heldn’t
B. mustn’t
走进dare
你敢吗?-dare 基本用法特点
1. dare用作情态动词时,意思是“敢”,其后接动词原形,通常只
1. I wonder how he A. dare to say C. not dare say
实战演练
that to the teacher. B. dare saying D. dared say
课程小结
need dare
用法小结
情态动词 (+动词原形)
实意动词
多用于肯定句; (sb.) need to do
你需要特别记need
need作为实意动词 有人称、数和时态的变化(在变为否定句和疑问句时 需借助于助动词)
(1)当主语是人时,后可接名词和动词不定式, 即: need sth./ need to do sth. 如: He needs some help. 他需要一些帮助。
特殊用法
need作名词用,当“需要,必需”解,不可数。可构成下列短语和 句型:
实战演练
1._T_h_e_r_e_i_s_n_o__n_e_e_d_t_o_ worry at all. 根本没有必要担忧。 2.I’ll come when you __a_r_e_i_n_n_e_e_d__o_f__ help.
典型应用
通过前面的学习,相信大家对这堂课的知识 点有了初步的了解。下面我们通过几个例题 加深对知识的理解及运用:
2. dare用作实意动词时意为“敢于”,可以有各种词形变化,可用于 各类句型(肯定句、否定句、疑问句及各类从句等),其后多接带to的不定 式,有时to也可省去(尤其是在否定句或疑问句),可用于非谓语形式,完 成时态等:
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