情态动词代词及四种时态讲解

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1、做教育，做罠心龙文教育一对一个性化辅导教案学生李沁芸学校华阳小学年级小六次数第9次科目英语教师曾武霞日期10.30时段7 : 30-9课题情态动词代词及四种时态讲解教学 重点1）让学生了解情态动词的功能2）掌握人称代词用法3）掌握四种时态的句型转换教学 难点情态动词，人称代词，四种时态的句型转换教学 目标知识的综合运用教 学 步 骤 及 教 学 内 容教学过程：一、教学衔接（课前环节）1、了解学生一周的学习和生活一周情况2、默写单词。抽査背诵上节课所学的内容3、检查学生的作业，进行评讲，错题专练二、教学内容1）上节课知识回顾2）情态动词用法3）人称代词用法4）四种时态的句型转换三、教学辅助练习

2、（或探究训练）四、知识总结1）巩固情态动词用法2）能够正确运用代词3）掌握四种时态的句型转换五、知识的延伸和拓展布置作业：课后作业（详见讲义）管理人员签字：日期：年 月日作 业 布 置1、学生上次作业评价：。好 。较好 。一般。差备注：2、本次课后作业：A. 完成讲义里打7的题目B. 整理笔记，复习本节课摘录的新单词和句子。C. 复习本节课内容。课堂 小 结家长签字：日期：年 月日上次课知识回顾句型转换1. He has a fever.（就划线部分提问）with him?2. Tom should eat something.（变成否定句）Tomeat.3. My headache star

3、ted two days ago.（就划线部分提问）your headache?4. I have a cold.（变成一般疑问句）youa cold?5. She has a toothache.（变成否定句）Shea toothache.1情态动词一、情态动词的定义：情态动词有词义，但它不能单独作谓语，它必须和其他动词一起构成谓语。情态动词没 有人称和数的变化；它的后面必须跟动词原形。二、情态动词的种类：情态动词有 can （could）, may, must, have to, shall （should）, will （would）, need 等，这些是小 学阶段需掌握的情态动词。三

4、、情态动词的用法：一、can, （could 过去式）1）表示能力（体力、知识、技能）。Can you lift this heavy box?（体力）Mary can speak three languages.（知识）Can you skate?（技能）2）表示请求和允许。Can I go now?Could Can you help me?Yes, of course.Certainly. Sure.Could Can you tell me the way to the Zoo?3）表示推测（惊讶、怀疑、不相信的态度），用于疑问句、否定句和感叹句中。Can this be true?T

5、his cant be done by him.How can this be true?二、may1）表示请求和允许。否定回答时可用cant或mustnt，表示“不可以，禁止”。May I smoke in this room?No, you mustnt.May I take this book out of the room?Yes, you can. （No, you cant / mustnt）用May I.？征徇对方许可时比较正式和客气，而用Can I.?在口语中更常见。2）表示推测、可能性（不用于疑问句）。1. He may be very busy now.2. Your mo

6、ther may not know the truth.3）用于祈使句，表示祝愿。May you succeed!三、must, have to1）must表示必须、必要，带有命令强制口气；而have to表示不得不，很勉强，强调客观需 要。You must come in time.We must help each other.My sister is ill; my mother has to look after her.I had to work when I was your age.注意：must的否定形式mustnt表示禁止，意思是“不能，不许”。在回答由must引起的疑 问句

7、时，如果是否定的，不能用mustnt （禁止，不准），而用neednt, dont have to （不必 要）。Must we hand in our exercise books today?Yes, you must.No, you dont have to / you neednt.2）must表示推测、可能性（只用于肯定的陈述句），意思为“一定是，必然”。1. Youre Toms good friend, so you must know what he likes best.2. Your mother must be waiting for you now.四、shall,1）

8、shall用于第一人称，征求对方的意见。What shall we do this evening?2）shall用于第二、三人称，表示说话人给对方的命令、警告、允诺或威胁。1. You shall fail if you dont work hard.（警告）2. He shall have the book when I finish it.（允诺）3. He shall be punished.（威胁）五、should和shouldnt表示 应该 劝告、建议。I should help her because she is in trouble.You should go to clas

9、s right away.She shouldnt play computer games too much.六、will （过去式would）1）做助动词，表示一般将来时，将要。He will be home at six.Bob will leave school next month.2）作为情态动词时表示“愿意”“意愿”“会”。I will help you.I will never do that again.Will / Would you pass me the ball, please?相关练习：（一）用适当的情态动词填空。1. Must I borrow the book w

10、ith my ID card? No, you.2. I use your car? Yes, you.3. I go home now? No, youstay here.4. My mother is ill. Istay at home and look after her.5. you like some tea?6. Youtake more exercise.7. you tell me how to get to the Qingyun Park?8. The clocktell us the time.9. you like to go fishing with me?10.

11、we play football this afternoon?（二）按要求改写句子。1. I can run fast.Ifast.（否定句）2. You must return the book now.（一般疑问句）I the book now? No, you.3. He can play basketball well.（一般疑问句）hebasketball well?4. They must take the books out of the room. （否定句）Theythe books out of the room.5. He should get up early.（否定

12、句）Heget up late.（三）选出正确答案。1)Lucy shouldA. finishesher homework now.D. finishB. finishingC. finished2)My mother wouldback soon.A. cameB. comesC. comeD. will come3)Could youme a hand.A. givingB. givesC. givenD. give4)Should Inow.A. startedB. startingC. startD. starts5)I take this one?A. CouldB. WillC.

13、 AreD. Do6)-Can you speak English?-No, I.A. mustntB. cantC. couldntD. may not7)Yougo and see adoctor because you hada fever （发烧）.A. couldB. mightC.shouldD. would8)Jimcome tonight, but he isnt very sure yet.A.shouldB. mightC. wouldD. shall9)The childrenplay football on the road.A. couldntB. couldC. m

14、ustD. mustnt10） - Can I take this book out?-No, you.A. must notB. could notC. will notD.2语法代词人称代词和物主代词的用法人称代词物主代词主格宾格形容词性名词性我你他她它我你他人称代词：1、人称代词作主语时，要用主格形式;乍宾语时，要用宾格形式。如：(1) He loves her， but she hates him.他爱她，但她却讨厌他。(2) We often play with them.我们经常和他们玩。探 主格句中作主语；宾格用在动介后。2、人称代词的排列顺序：单数人称代词通常按“二三一”排列，即you、he and I；复数人 称代词通常按“一二三排列，即we、you and they.例如：(1) You、he and I are all middle school students.我、你和他都是中学生。