be动词情态动词助动词do

1、17.1 情态意义表示法英语动词，按其在构成动词词组所起的作用，分为主动词和助动词两大类。助动词又分为基本助动词、情态助动词和半助动词。情态助动词有十四个：may, might; can, could; will, would; shall, should; must, need, dare,dared， used to, ought to.情态助动词都表示情态意义，而且太多一词多义，在意义和用法上有不少交叉的地方。本节首先从语义角度对情态助动词的用法作一些比较说明，为便于比较，我们把一些语义相关的半助动词（如 be able to, have to 等）也结合在一起处理。1 . 表示“能力”和“可能”A.a) 表示“能。

2、动词 to do sth doing sth A remember forget to do sth 记住 忘记未做之事 remember forget doing sth 记住 忘记已做之事 如 1 I ll remember won t forget to turn off the computer when I leave I don t think you need to worry 离开。

3、课 题 助动词和情态动词教学目标 1. 掌握助动词的主要用法。2. Learn the usage of modal verbs.3. Improve students ability to use modal verbs in different situations.教学重点 1. The usage and functions of the modal verbs.2. must be 和 have to 的区别与用法。3. To use the modal verbs in different context.教学难点 1. 助动词 do 的用法。教学资源 Textbook课 型 Grammar 授课时数 2教学方法 Presentation-Practice-Production（演示-操作- 成果）第 课时教学内容：助动词、情态动词 教学过程： Step 1、Greeting. Step 2.。

4、1寒假英语学习资料 语法词汇（ 2）助动词与情态助动词概 说助动词(auxiliary) 主要有两类：基本助动词(primary auxiliary)和情态助动词(modal auxiliary)。基本助动词有三个：do, have 和 be；情态助动词有十三个：may, might; can, could; will, would; shall, should; must, need, dare, used to, ought to. 上述两类助动词的共同特征是，在协助主动词构成限定动词词组时，具有作用词的功能：1） 构成否定式：He didnt go and neither did she.The meeting might not start until 5 oclock.2） 构成疑问式或附加疑问式：Must you leave 。

5、67语法复习十一：助动词与情态动词（一）助动词有 be, have, do, will, shall。它们本身没有词义，只和实义动词的一定形式构成复合谓语，用来表示时态和语态，构成否定、疑问及加强语气等。1、 be (am, is, are, were, been)(l)“be + -ing”构成进行时态；（2） “be + 过去分词”构成被动语态；（3） “be + 动词不定式”构成复合谓语：表示按计划安排要发生的事。The prime minister is to visit Japan next year. 总理将于明年访问日本。 用于命令。Youre to do your homework before you watch TV.你得做完了作业才能看电视。2、 hav。

6、中级语法(三) 助动词( 情态动词)Auxiliary verbs and helping verbs主动词和助动词Be基本助动词 haveDoUncertain mightmay情 could态 can助 should动 ought to词 would will certain must 以 be 为中心(详见下表) 以 have 为中心半助动词 以 seem 为中心第一小类 第二小类Be about to Be certain toBe able to Be (un)likely toBe apt to Appear toBe bound to 一定，有责任，有义务Chance toBe due to Happen toBe going to Seem toBe liable to Turn out to, etcBe obliged to Be supposed to Be sure to Be to Be willing to Had bette。

7、助动词与情态动词练习助动词与情态动词练习1. If they _ to do this work, he might do it some other way.A. were B. should C. will D. can2. I was told yesterday that the company _ me to Rome next week for a business conference.A. should have sent B. were going to send C. should be sending D. should send3. Lets take a walk, _? A. will we B. dont we C. do we D. shall we4. He was a good swimmer so he _ swim to the river bank when the boat sank.A. could B. might C。

8、情态动词助动词专练 作者：佚名 | 转贴自：本站原创 | 点击数：1521 | 更新时间：2004-9-3 | 文章录入：启明星 1. _ you ready?(A) Are (B) Have (C) Will (D) Can2. _ here early?(A) Will he (B) Was he (C) Did he be (D) Were he3. I _ happy about the price of eggs.(A) amt (B) am not (C) do not (D) wont4. Since last year I_ him only once.(A) have seen (B) have been seeing (C) see (D) was seeing5. Donald _ sixteen tomorrow.(A) is being (B) going to be (C) shall be (D) will be6. I _ the story at all.(A) dont l。

9、1系动词、助动词、情态动词1、情态动词1.can(could):能够、可能、可以；may(might):可以、可能；must:必须； shall:将会；should:应该；will:将会，愿意；would:将会2.半情态动词(后接动原，但否定和疑问句要借助 do)：have to 不得不，had better 最好，used to 过去常常3.情态动词无三单(have to 除外)；不能单独使用，后接动词原形共同构成谓语4. need既可做实义动词又可做情态动词 (作实义动词，后接 to do/doing,否定 dont need to do do/doing;作情态动词，后接动词原形，否定 neednt do)5.表推测：must be一定是（语气最肯定） ，c。

10、动词概述、助动词和情态动词7.0 动词概述表示动作和状态的词叫做动词。英语中的时态、语态、语气和非谓语形式等都是由动词来表达的，因此，动词在英语语法体系的处于中心和核心地位，是英语学习的重点和难点。 7.1 动词的种类7.1.1 根据功能分类根据其在句中的功能，动词可分为四类：实义动词(Notional Verb)、系动词(Link Verb)、助动词(Auxiliary Verb)、情态动词(Modal Verb)。见表 7.1。表 7.1 动词的分类类别 特点 用法 举例及物动词(vt.) 后跟宾语 后接宾语表达整体意思 She has a nice dress.实义动词 不及物动词(vi.) 其后不能直。

11、日期： 老师： 第 页，共 页 （教案） 适合于各个阶段小升初的学生明灯教育小升初英语You have to believe in yourself. Thats the secret of success. 人必须相信自己，这是成功的秘诀。 Charles Chaplin 卓别林重点单词回顾：train bike plane carJeep ship on foot busSubway door floor wall情态动词与助动词1、目标大纲：了解情态动词与助动词学会使用情态动词与助动词2、知识要点1. 概念：情态动词表示说话人的语气和情态，没有人称和数的变化。Eg: He can speak English. 他能说英语。We must go now. 我们现在必须走。助动词本身。

12、- 1 -助动词和情态动词一、 can 和 could情态动词 用法表示能力 can 表示现在的能力，could 表示过去的能力。表示请求could 不表示过去，只表示委婉、客气的语气，但回答时必须用 can。can/could表示可能性一般用在否定句及疑问句中，could 也可用于肯定句。Although he is only four, he can play the piano. 尽管他只有 4 岁，但他会弹钢琴。Can I use your computer for a while? 我可以用一会儿你的电脑吗？Could I borrow your bicycle? 我可以借你的自行车吗？Yes, you can./No, you cant. 可以。/不行。That cant be Mary, for she。

13、七年级英语 双休日作业班级： 姓名： 等级英语句型变化总结练习1、含有 be 动词 am，is ，are 构成的句子：变一般疑问句时把 am，is ，are 提到句子的前面，句尾用问号即可。变否定句时直接在 am，is ，are 后面加 not 即可。例如： 肯定句:He is a student. 一般疑问句: a student? 否定句: He a student. 肯定句：We are from China. 一般疑问句: from China?否定句：We from China2. 由情态动词 can, may, should 等构成的句子: 变一般疑问句时把 can, may,提到句子的前面,句尾用问号即可.变否定句时直接在 can, may,后面加 not 即可. 。

14、系动词、助动词、情态动词讲义系动词一、状态系动词用来表示主语状态，只有 be 一词。be 和某些形容词例如 quietnoisy，goodbad ，wise foolish 等连用时可以用进行式，如 Tom is being foolish（汤姆此刻正在说傻话或做傻事） ，意指主语此刻正在表现出这种特征。二、持续系动词用来表示主语持续保持一种状况或态度，包括 keep, rest, remain, stay, lie, stand 等单词。三、表像系动词用来表示“看起来像”这一概念，包括 seem, appear, look 等单词。 四、感官系动词感官系动词包括 feel, smell, sound, taste 等单词。 五、变化系动词。

15、1专四语法练习 2助动词、情态动词1. Its wonderful that you _C_ have achieved so much in these years.a. may b. can c. should d. would2. He _D_ hardly say anything more, since you know about it.a. dont need to b. neednt c. needs d. need3. You _B_ the look on his face when he won the prize.a. would have seen b. should have seen c. must see d. can be seeing4. Some people think the stock market will crash, but _B_.a. I wonder if it happens b. I doubt if it will happenc. I am afraid it 。

16、助动词和情态助动词一、Multiple Choice (中)1. “Must I attend the meeting tomorrow?“ “No, you _if you are busy. A. mustnt B. needntC. cant D. shouldnt2. “Do we have to clean the classroom every day?“ “Yes, you_.“A. must B. need C. can D. may 3. Let us do it for you, _you?A. can B. will C. shall D. may4. “I stayed up late last night to finish my term paper. “You _exhausted and feel sleepy. “A. must be B. should be C. could be D.。

17、1变一般疑问句：1. I want to pass the test?2. He studied German.3. She likes swim.4. They do homework everyday.变否定句1. I want to go to the concert today.2. He likes learning English.3. Many students heard the song.4. Open your books.作出肯定回答与否定回答。1. - Do you like Beijing? 2. Does he go to school by bike?3. Did you read the book?2(一) 用适当的情态动词填空。1. Must I stand up? No, you _.2. _ I speak something? Yes, you _.3. _ I leave the park now? No, you _ stay here.4. My gran。

18、1. 由连系 am，is ，are 构成的句子：变一般疑问句时把 am，is，are 提到句子的前面，句尾用问号即可。变否定句时直接在 am，is ，are 后面加 not 即可。例如： 肯定句:He is a student. 一般疑问句: Is he a student? 否定句: He is not a student. 反问句: He is a student, isnt he? He isnt a student, is he? 画线提问: 对 he 提问: Who is a student? 对 a student 提问: What is he? or What does he do? 2. 由情态动词 can, may, should 等构成的句子: 变一般疑问句时把 can,may,提到句子的前面,句尾用问号即可. 变否定句时直接在。

19、形式： 情态动词 + 动词原形 do；情态动词 + 动词完成进行时 have been doing；情态动词 + 动词完成时 have done2. 特点：1) 不管哪一种形式，情态动词的词义都在句中起作用。2) 情态动词的过去时、现在时没有太大的时间性区别，只是情态动词的过去时用得相对较多，语气比现在时更客气、委婉、缓和。例：I was wondering if you would like to have dinner with me tonight.（我想请问您今晚是否愿意与我共进晚餐。这样的表达方法要比“I want to know if you will have dinner with me tonight.“这样的句子礼貌、委婉得多，更容易让对方。

20、be动词，情态动词，助动词do/does的用法区别及练习 1. 由连系am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。变否定句时直接在am，is，are后面加not即可。例如： 肯定句:He is a student. 一般疑问句: Is he a student? 否定句: He is not a student. 画线提问: 对he提问: Who。