小学英语句型转换和时态讲解与练习

否定句：be动词（am、is、are）+not、情态动词can+ not、助动词（do、does） + not如何将一个肯定的陈述句改为否定句：1、看句中有无be动词，如有，直接在be动词后+ not。2、看句中有无情态动词，如有，直接在情态动词后+ not。3、如上述二者都没有，就应用助动词+ not。分四个步骤：（1）肯定陈述句中本来是没有助动词的，要加上去，位置在主语（某人或某物）后，动词前。（2）确定助动词用do、does，根据句中动词，动词是原形的助动词就用do，动词是第三人称单数的助动词就用does，（3）在助动词后加not。（4）原句中动词假如发生变化就要恢复成原形。强调一点，有some的要考虑是否要用any。1. I am Tom. _2. He is nine. _3. They are pupils._4. I can fly a kite. _5. He can make a toy. _6. You must go home now._7. I like Jinan. 8. He likes swimming. 9. He has many books. 10. He has some books. 11. There is a pen on the desk. 12. There are some water in the glass._13. You have got some books. _14. You have some books. 15. He has got some apples. 16. He has some apples. _17. I like to watch TV._.18. Xiao Fang and I go to the library everSaturday. .19. Tim swims very well._.20. Mr. Smith has many books about the cars.21. I want to play with my friends.22. We feel cold today. _.23. Bob reads English everyday.24. We do our homework at school.25. Mr. White has two houses. .一般疑问句如何将一个肯定的陈述句改为一般疑问句：1、看句中有无be动词，如有，把be动词提到句首即可。2、看句中有无情态动词，如有，把情态动词提到句首即可。3、如上述二者都没有，就应把助动提到句首。分四个步骤：（1）肯定陈述句中本来是没有助动词的，要加上去，位置在主语（某人或某物）后，动词前。（2）确定助动词用do还是does，根据句中动词，动词是原形的助动词就用do，动词是第三人称单数的助动词就用does（3）把助动词后提到句首。（4）原句中动词假如发生变化就要恢复成原形。强调一点，有some的要考虑是否要用any。26. I am Tom. _27. He is nine. _28. They are pupils._29. I can fly a kite. _30. He can make a toy. _31. You must go home now._32. I like Jinan. 33. He likes swimming. 34. He has many books. 35. He has some books. 36. There is a pen on the desk. 37. There are some water in the glass._38. You have got some books. _39. You have some books. 40. He has got some apples. 41. He has some apples. _42. I like to watch TV._.43. Xiao Fang and I go to the library everSaturday. .44. Tim swims very well._.45. Mr. Smith has many books about the cars.46. I want to play with my friends.47. We feel cold today. _.48. Bob reads English everyday.49. We do our homework at school.50. Mr. White has two houses. .特殊疑问句表示疑问，有疑问词（在开头），回答有很多种可能。常用疑问词： 疑问词意思用法What time 什么时间问具体时间，如几点钟Who谁问人Whose 谁的问主人Where在哪里问地点What 什么问东西、事物What colour什么颜色问颜色How old多大年纪问年纪How many多少数量（可数名词）问数量How much多少钱；多少数量（不可数名词）问多少钱或数量（不可数）一、选择正确的单词填空 (who, where, when)1._ is that pretty girl? She is my sister.2._ are Jack and Tom? They are behind you.3._ do you go to school? I go to school from Monday to Friday.4._ has a beautiful flower? John has a beautiful flower.5._ are they? They are my parents.6._ is my mother? She is in the living room.7._ are you going? We are going to the bakery(面包坊).8._ do Jim and Wendy play ball? They play ball in the afternoon.9._ does he jog? He jogs in the park.10._ are you from? Im from Changchun city.二用what time, what color, what day, what填空。1. A: _ _ is it? B: It is nine oclock.2. A: _ _ does your mother get up? B: My mother gets up at 6:30.3. A: _ _ do you go to bed? B: I go to bed at 10:00.4. A: _ _ do Diana and Fiona have supper? B: Diana and Fiona have supper at 18:00.5. A: _ _is it? B: It is purple.6. A: _ _ is the sky? B: The sky is blue.7. A: _ _ is your coat? B: My coat is black.8. A: _ _ is the dog? B: The dog is white.9. A: _ _ is today? B: Today is Monday.10. A: _ _ is tomorrow? B: Tomorrow is Tuesday.11. A: _ _ was yesterday(昨天)? B: Yesterday was Sunday.12. A: _ _ do you like? B: I like red.13. A: _ is this? This is a computer(电脑).14. A: _ are you doing? B: We are playing basketball.15. A: _ does your mother do? B: My mother is a policewoman.16. A: _ are those? B: Those are peppers(辣椒).17. A: _ is in the box? B: A lovely doll is in the box.18. A: _ is on the table? B: The apple is on the table.19. A: _ is in the classroom? The blackboard is in the classroom.20. A: _ _ _? B: Mary is hungry.21. A: _ _ _ _ _? B: My favorite color is pink.22. A: _ _ _ _? B: Nick is playing table tennis.三、就画线部分提问1.He is my father.2.They are under the tree.3.I often watch TV after dinner.(晚饭后) (提示：饭后强调的是时间问题。)4.Lily swims in the swimming pool.(游泳池)5.Superman flies in the sky.6.I often brush my teeth in the evening.7.Alan likes to play with Bill.8.Joes father plays badminton(羽毛球) every weekend.9.The supermarket is near the school.10.The laptop(笔记本电脑) is on the table.11.Jennifer has a pair of earrings(耳环).12.The flowers are in the flower pot(花盆).13.My grandpa took us to the zoo.14.I put the gold fish(金鱼) into the fish tank(鱼缸).15.Themonkey sleeps at night.四连线：（Match）1. Whats on the chair? There is a book in the bag.2. How is your father? These are apples.3. What are these?I go to school by bus.4. What is in the bag? The radio is on the chair.5. How do you go to school? My father is fine.6. How much is it? I wash my face in the morning.7. What time is it?I have two hands.8. When do you wash your face? It is four oclock.9. How many hands do you have? It is 5 RMB(人民币).10.When do you have lunch? I have lunch at noon.句型转换练习:一、按要求完成句子（要求：A：改为一般疑问句 B：改为否定句）1. I am a student. A: B:2. They are English cars. A: B:3. This is a pencil-box. A: B:4. Its name is Polly. A: B:5. These are my English books. A:B:6. I know his name. A: B:7. Please look after your cat. A: B:8. There is some money in the purse. A: B:9. There are many apples on the tree. A: B:10. You can go to have a look. A: B:11. Come here, please. AB:二、回答句子（A：肯定回答 B：否定回答）1. Are you a teacher? A: B:2. Is this your ruler? A: B:3. Are those banana trees? A: B:4. Is there a picture on the wall? A:B:5. Are there any trees on the hill? A: B:6. Can you see a bird in the sky? A: B:7. Do you know Mr Wang? A: B:三、单复数句变换(把单数的句子变成复数， 复数的变成单数)：1. Is this your box? :2. There is a boy in the picture. 3. That is his new book. 4. It is a Chinese car. 5. She is a woman worker. 6. We have many old pictures. 7. Are those English books? 8.They are Japanese students. 9. Who are those men over there? 10. They are some policemen. 四、就划线部分提问：1. Your book is here. _ _ your book?2. Im thirteen. 3. Bill is in Class Five. _ _ _Bill _?4.She is in Row Nine. _ _ _ she _?5. Thats a map in English. _ _ in English?6. Seven and eight is fifteen. _ _ seven and eight?7. They are boxes? _ _ they?8. The woman is Mrs. Read? _ _ the woman?9. Mr. Zhang is at home. _ Mr. Zhang?10.The flowers are near the window. _ _ the flowers?11.The flowers near the window are purple. _ _ are purple?12.The flowers near the window are purple. _ are purple?13.Jack isnt at school today. _ isnt at school today?14.There are some books under the tree. _ _ under the tree?15.There are fifty books on the desk. _ _ _are there on the desk?16.There is a child in the tree. _ _ _ are there in the tree?17.My father is a doctor. _ is _ father?18.He is fine. _ is he?19.He is five. _ _ is he?20.Those apples are green. _ _ are those apples?21.Those green apples are mine. _ _ are _?22.These are their shoes. _ _ are these?23.Its twelve oclock now. _ _ _ _now?24.Kate is Mr. Greens daughter. _ _ is Kate?25.I like the pictures in this book. _ _you like in this book?26.Its seven ten now. _ _ _ _now?27.Li Leis uncle is a policeman. 28.I am Kates brother. 29.Mr Green is an English teacher. 30.Aunt Sally is their Chinese teacher. 五、把下列句子改为否定疑问句，并作肯定和否定回答.1. I am Chinese. 2.3. I can open the door and get the ball. 4.5. I know his address. 6.7. Its over the hill. 8.9. Miss Gao is an English teacher. 10.11. Therere six people in my family. 12.13. There is some money on the floor.六按要求改写句子。1. Do you often play football after school? (肯定回答)2.I have many books. （改为否定句）3. Gao Shans sister likes playing table tennis （改为否定句）4.She lives in a small town near New York. （改为一般疑问句）5.I watch TV every day. （改为一般疑问句）6.David has got a goal. （改为一般疑问句）7.We have four lessons.（否定句）8.Nancy doesnt run fast （肯定句）9.My dog runs fast. 否定句： 一般疑问句：10.Mike has two letters for him. 一般疑问句： 否定句：11.I often play football on Friday afternoon. 否定句: 一般疑问句: 划线提问12.Su Yang often washes some clothes on Saturday. 否定句: 一般疑问句: 划线提问:13.Mingming often waters the flowers every day 否定句: 一般疑 问句: 划线提问14.Tom does his homework at home. 否定句: 一般疑问句: 一般现在时（1）一般现在时中的be动词：一般用原形：am is are am用于第一人称单数（I）；is用于第三人称单数（he she it和其他人名或称谓，如：Ben his sister等）；are用于第二人称单数（you）和所有复数（包括第一人称复数we、第二人称复数you；第三人称复数they和其他复数，如the children 、 his parents等）。(2) 一般现在时中的动词1.主语是第三人称单数，动词后加s或es2.主语不是第三人称单数，动词用原型三单变化：1.多数在动词后加s playplays likelikes 2.以s，x，sh，ch，o结尾的动词加es gogoes wash-washes3.以辅音字母加y结尾，把y改i再加es flyflies 1. We often_(play) in the playgound.2. He _(get) up at six oclock.3. _you _(brush) your teeth every morning.4. What_(do) he usually (do) after school?5._Danny_ (study) English,Chinese,Maths,Science and Art an school.6. _Mike sometimes_ (go) to the park with his sister.7. At eight at night, she _(watch) TV with his parents.8._ Mike_(read) English every day?9. How many lessons_your classmate_(have) on Monday?10. What time_his mother_(do) the housework?II.改句子1.Do you often play football after school? (改为肯定句)2.I have many books.（改为否定句）3.Gao Shans sister likes playing table tennis （改为否定句）4.I watch TV every day.（改为一般疑问句）5.We have four lessons.（改为否定句） 否定句： 一般疑问句：9.Mike has two letters for him.一般疑问句：否定句： 10.I often play football on Friday否定句:一般疑问句:划线提问13.Tom does his homework at home.否定句:一般疑问句:现在进行时（1）构成形式：Be动词+动词的ing形式这里强调一点，两者缺少其中任何一种都不可以构成现在进行时。（2）现在进行时表示动作正在进行或事情正在发生。（3）有用的依据：一个句子中既有be动词，又有动词，且动词加了ing 该句是现在进行时（4）句中往往有now、look、listen等词。动词现在分词的变化见下表：词尾情况变化方式例词一般情况加ingplay玩playing do做doinggo去going jump跳jumpingsing唱singing ski滑雪skiingsee看见-seeing以不发音的e结尾去e加ingmake做making take拿到takinglike喜欢liking come来comingwrite写writing dance跳舞dancinghave有having close关closing中间只有一个元音字母，词尾只有一个辅音字母双写最后一个辅音字母再加ingswim游泳swimming sit坐sittingrun跑running get得到gettingput放puttin begin开始beginningjog慢跑jogging一、用所给动词的真确形式填空1.Ilike _ (swim).2.He _(read) Englisheveryday.3.We _(go)to school at seven in the morning.4.Mike_(go)to school at seven in the morning.5.Mymother_(like) _(go) shopping.6.I can _(draw)manybeautifulpictures.7.She_(make) amodelplane.8.Doyou _(like)_(run)?9.Doeshe_(like)_(jump) ?10.Does Nancy_(grow)flowers on Saturday ?11.Theteachers_(like)_(dance).12.The teacher_(like)_(dance).13.The students_(speak) English in class.14.The