2023年沪教版三年级上册英语知识点否定句一般疑问句肯定句缩写复数划线部分提问.docx

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1、第1讲 改否认句【知识点】1、 句子中有am/is/are/can时，直接在后面加not，其他不变，抄下来；2、 句子中没有am/is/are/can时，找到动词，在动词前面加dont/doesnt，其他不变，抄下来。【练习题】1、 I am Mike.否认句：_2、 This is a pen.否认句：_3、 You are a boy.否认句：_4、 They can swim.否认句：_5、 I like apples.否认句：_6、 I am Danny.否认句：_7、 This is my ruler.否认句：_8、 Those are his robots.否认句：_9、 You

2、can go to have a look.否认句：_10、 I know his name.否认句：_11、 I am a student.否认句：_12、 It is an apple.否认句：_13、 They are my books.否认句：_14、 I can see a boat.否认句：_15、 Stand up.否认句：_16、 I am in Grade 3.否认句：_17、 She is Yang Ling.否认句：_18、 We are teachers.否认句：_19、 I can draw a toy car.否认句：_20、 Jack speaks English

3、 very well.否认句：_第2讲 改一般疑问句【知识点】1、 句子中有am/is/are/can时，放句首，其他不变，抄下来。2、 句子中没有am/is/are/can时，用Do/Does放句首，其他不变，抄下来。3、 I变you，I am变Are you。4、 标点变问号。肯定回答：Yes，人称 + am/is/are/can/do。否认回答：No，人称 + am/is/are/can/do + not。【练习题】1、 I am Mike.一般疑问句：_肯定回答：_否认回答：_2、 This is a pen.一般疑问句：_肯定回答：_否认回答：_3、 You are a boy.一般

4、疑问句：_肯定回答：_否认回答：_4、 They can swim.一般疑问句：_肯定回答：_否认回答：_5、 I like apples.一般疑问句：_肯定回答：_否认回答：_6、 I am Danny.一般疑问句：_肯定回答：_否认回答：_7、 This is my ruler.一般疑问句：_肯定回答：_否认回答：_8、 Those are his robots.一般疑问句：_肯定回答：_否认回答：_9、 You can go to have a look.一般疑问句：_肯定回答：_否认回答：_10、 I know his name.一般疑问句：_肯定回答：_否认回答：_第3讲 改肯定句【

5、知识点】1、一般疑问句改肯定句（1）将句首的am/is/are/can放回主语后面，其它照抄，标点改成句号。例如：Is she tall? She is tall.（2）句首是Do、Does的，去掉Do、Does，其它照抄，动词用原形，标点改成句号。假如主语是第三人称单数，谓语也要改为第三人称单数形式。例如：Do you like apples？肯定句：I like apples.2、否认句改肯定句（1）句子中有am/is/are/can时，直接把am/is/are/can后面的not去掉，其他照抄。例如：I cant run. I can run.（2）句子中有dont或doesnt时，直接

6、去掉dont或doesnt，其他照抄。假如主语是第三人称单数，谓语也要改为第三人称单数形式。例如：Dont shut. Shut.【练习题】1、 Is this tall boy thin?_2、 Are your ears small?_3、 Can Sarah clean the classroom?_4、 Do you like the ducks?_5、 Is this the playground?_6、 Are you a boy?_7、 Can they swim?_8、 Does he like the dogs?_9、 I am not a boy._10、 Sam isnt

7、 sad._11、 We arent studying English._12、 I cant dance_13、 Dont open the pencil-box._14、 He doesnt know your name._15、 I am not Danny._16、 The man isnt walking in the street._17、 They arent in the classroom._18、 Her mother cant ride a bicycle._19、 We dont have lunch at 12:00 every day._20、 Tom doesnt

8、 walk to school._第4讲 缩写形式与完整形式【知识点】完整形式缩写形式完整形式缩写形式完整形式缩写形式完整形式缩写形式ammissarerenotntI amImhe isheswe arewereis notisntshe isshesyou areyourecan notcantwhat iswhatsthey aretheyredo notdontname isnamesdoes notdoesnt【练习题】1、 I am Mike.缩写形式：_2、 This is a pen.缩写形式：_3、 You are a boy.缩写形式：_4、 They can not sw

9、im.缩写形式：_5、 I do not like apples.缩写形式：_6、 I am a student.缩写形式：_7、 It is an apple.缩写形式：_8、 They are my books.缩写形式：_9、 I can not see a boat.缩写形式：_10、 Do not stand up.缩写形式：_11、 Im Danny.完整形式：_12、 Thiss my ruler.完整形式：_13、 Thosere his robots.完整形式：_14、 You cant go to have a look.完整形式：_15、 I dont know his

10、name.完整形式：_16、 Im in Grade 3.完整形式：_17、 Shes Yang Ling.完整形式：_18、 Were teachers.完整形式：_19、 I cant draw a toy car.完整形式：_20、 Jack doesnt speak English very well.完整形式：_第5讲 主格、宾格、所有格（形容词性物主代词）【知识点】1、人称代词主格：在句子开头作主语，表达谁怎么样了、干什么了。例如：I am a teacher. You are a student. They are students.2、人称代词宾格：在动词或介词后作宾语，表达动

11、作行为的对象。例如：Give it to me. Lets go.3、物主代词所有格：用在名词前，表达是谁的东西。例如：This is my book. We love our motherland. 我们热爱我们的祖国。主格宾格所有格（形容词性物主代词）单数Imemy我的youyouyour你的sheherher她的hehimhis他的ititits它的复数weusour我们的youyouyour你们的theythemtheir他/她/它们的【练习题】1._（我）am a teacher.2.My father is talking with _（我）3._（他）often plays ba

12、sketball after school.4._（他的）teacher is good.5._（我们）buy a pair of shoes for_（他）.6.Please pass _（我们）the ball.7._（他们）are listening to the radio.8.This is _（我们）book.That is _（他的）book.9._（他的）chair is blue._（我们的）is yellow.10._（我们的）classroom is big._（你们的）classroom is small.11._（他）often plays basketball af

13、ter school.12._（他的）teacher is good.（她的）teacher is good too.13.My book is blue._（you）book is red.14.Our chair is better than _（they）chairs.15.I will give the presents to _（they）第6讲 名词复数变化规则【知识点】名词复数变化规则：1、 一般情况下，直接加s。例如：car-cars、bag-bags、book-books2、 以s/x/ch/sh结尾的单词加es。例如：class-classes、box-boxes、watc

14、h-watches、brush-brushes3、 以辅音字母加y结尾的单词，变y为i，再加es。例如：baby-babies、family-families、comedy-comedies（喜剧）4、 以元音字母加y结尾的单词，直接加s。例如：boy-boys、day-days、key-keys5、 以f/fe结尾的单词，变f/fe为v，再加es例如：leaf-leaves、wolf-wolves、knife-knives“小偷”（thief）的“妻子”（wife）用“刀子”（knife）和“树叶”（leaf）把“狼”（wolf）劈成了两“半”（half）6、 以o结尾的名词，有生命的加es

15、，无生命的加s，以oo结尾的加s。有生命的加es。例如，potato-potatoes、tomato-potatoes、hero-heroes（英雄爱吃土豆炖西红柿）无生命的加s。例如，photo-photos、radio-radios、piano-pianos。以oo结尾的加s。例如，kangaroo-kangaroos（袋鼠）、zoo-zoos。7、 不可数名词没有复数，以原形或/表达。例如：water-/、milk-/、juice-/8、 特殊情况例如：am/is-are、I-we、she/he/it-they、my-ourhis/her/its-their、this-these、tha

16、t-thoseman-men、sheep-sheep、Chinese-Chinese、foot-feet【练习题】名词变复数birdcardorangewatchladyfamilyrulerphotofriendclassdictionarypartyboygirlcatboxcandystoryIheyouamisarewifetreekeybedherosheepcasequestionleafcasecuppendeskkeyboxknifecardorangeboyfriendparentmotherfathersisterbrothersondaughtercousinpencil

17、childman第7讲 改复数句【知识点】对照句子，将句子中的名词和代词改成相应的复数，其他不变，按顺序抄下来即可。例如：She is my friend. They are my friends.I am a girl. We are girls.【练习题】句子单数变复数1. This is a book. _2. That is an eraser._3. It is a red apple._4. I am a boy._5. He is a teacher._6. Whats this?_7. I am a tall boy._8. She is a beautiful girl._9

18、. He is a strong man._10. This is a big mouse._11. That is a small fish._12. It has a long tooth._13 This is an old dog._14. There is a big peach on the table._15. I can sing a song._16. It is under the table._17. That is a short boy._18. I like the red skateboards._19. That monkey can climb the tre

19、e._20. This fox is big._第8讲 就划线部分提问【知识点】1、根据划线部分找到特殊疑问词放句首，把题目中剩下的部分变成一般疑问句，接在特殊疑问词的后面。2、标点改为问号。特殊疑问词:特殊疑问词内容特殊疑问词内容What什么How much价格，多少钱What colour什么颜色Whatdo会做什么How身体状况Who谁，问人How old几岁，年龄Where在哪儿，地点How many数量，几个Whose谁的，问主人Which哪一个When什么What time几点，问时间Why为什么，问因素【练习题】对划线部分提问1. Thats a bike. _2. My nam

20、e is Lingling. _3. This is a map of America. _4. Tow and tow is four. _5. He likes playing basketball. _6. Pandas love bamboo. _7. Its six oclock. _8. The bike is black. _9. The pen is red. _10. Amy is a good girl. _11. Lingling likes collecting dolls. _12. This is Li Pings book. _13. My pen is in t

21、he box. _14. I live in New York. _15. My birthday is November 11. _16. I go to school by bike. _17. He is twelve. _18. The hamburger is four dollars. _19. The kite is twenty yuan. _20. Two pens are on the desk. ._21. They are from 191 countries. _22. The bridge is 5 kilometers long. _23. Im in Class

22、 1. _第9讲 be动词、can、have、has的用法【知识点】1、be动词：am、is、are口诀：我用am，你用are，is连着他、她、它。单数用is，复数用are。2、can：能、会、可以can+动词原形。3、have、has：有口诀：我有，你有，用have；他、她、它有用has。例如：I have/you have/she has/he has/it has【练习题】用am,is,are 填空I _ a girl. My name _ Mary. I _ 12 years old. Here _ my family photo. Look! These _ my parents a

23、nd those _ my grandparents. This boy _ my brother. He _ 15 years old now. That _ my cat, Mimi. It _ very lovely.1. I _ Kitty._2. She _ a student.3. My sisters _ tall.4. Jane and Tom _ my friends.5. We _ students.6. They _ in the zoo.7. Yang Ling _ ten years old.8. Sandy is my good friend. He _ _ tal

24、l and fat.9. Look at the picture. It _ beautiful.10. This _ my dress.用have 和has 填空1. I _ a cat. 2. He _ a dog. 3. She _ long hair. 4. We _ a big house. 5. They _ a happy family. 6. It _ a short tail。7. You _ a good teacher. 8. Jane _ two big eyes. 9. Tom _ a red pen. 10. My mother _ a beautiful nose. 11. I _ a nice puppet. 12. He _ a good friend. 13. They _ some masks. 14. We _ some flowers. 15. She _ a duck. 16. My father _ a n