沪教版小学英语语法及练习

第1讲改否定句
【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don’t/doesn’t，其他不变，
抄下来。

【练习题】
1、I am Mike.
否定句：____________________________________________________
2、This is a pen.
否定句：____________________________________________________
3、You are a boy.
否定句：____________________________________________________
4、They can swim.
否定句：____________________________________________________
5、I like apples.
否定句：____________________________________________________
6、I am Danny.
否定句：____________________________________________________
7、This is my ruler.
否定句：____________________________________________________
8、Those are his robots.
否定句：____________________________________________________
9、You can go to have a look.
否定句：____________________________________________________
10、I know his name.
否定句：____________________________________________________
11、I am a student.
否定句：____________________________________________________
12、It is an apple.
否定句：____________________________________________________ 13、They are my books.
否定句：____________________________________________________ 14、I can see a boat.
否定句：____________________________________________________ 15、Stand up.
否定句：____________________________________________________ 16、I am in Grade 3.
否定句：____________________________________________________ 17、She is Yang Ling.
否定句：____________________________________________________ 18、We are teachers.
否定句：____________________________________________________ 19、I can draw a toy car.
否定句：____________________________________________________ 20、Jack speaks English very well.
否定句：____________________________________________________
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。

否定回答：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：__________________________________________________
否定回答：__________________________________________________
2、This is a pen.
一般疑问句：______________________________________________
肯定回答：__________________________________________________
否定回答：__________________________________________________
3、You are a boy.
一般疑问句：______________________________________________
肯定回答：__________________________________________________
否定回答：__________________________________________________
4、They can swim.
一般疑问句：______________________________________________
肯定回答：__________________________________________________
否定回答：__________________________________________________
5、I like apples.
一般疑问句：______________________________________________
肯定回答：__________________________________________________
否定回答：__________________________________________________
6、I am Danny.
一般疑问句：______________________________________________ 肯定回答：__________________________________________________ 否定回答：__________________________________________________ 7、This is my ruler.
一般疑问句：______________________________________________ 肯定回答：__________________________________________________ 否定回答：__________________________________________________ 8、Those are his robots.
一般疑问句：______________________________________________ 肯定回答：__________________________________________________ 否定回答：__________________________________________________ 9、You can go to have a look.
一般疑问句：______________________________________________ 肯定回答：__________________________________________________ 否定回答：__________________________________________________ 10、I know his name.
一般疑问句：______________________________________________ 肯定回答：__________________________________________________ 否定回答：__________________________________________________
第3讲改肯定句
【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。

如果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、否定句改肯定句
（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 can’t run.I can run.
（2）句子中有don’t或doesn’t时，直接去掉don’t或doesn’t，其他照抄。

如果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：Don’t shut.Shut.
【练习题】
1、Isthistallboythin?
________________________________________________________
2、Areyourearssmall?
________________________________________________________
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 isn’t sad.
________________________________________________________ 11、We aren’t studying English.
________________________________________________________ 12、I can’t dance
________________________________________________________ 13、Don’t open the pencil-box.
________________________________________________________ 14、He doesn’t know your name.
________________________________________________________ 15、I am not Danny.
________________________________________________________ 16、The man isn’t walking in the street.
________________________________________________________ 17、They aren’t in the classroom.
________________________________________________________ 18、Her mother can’t ride a bicycle.
________________________________________________________ 19、We don’t have lunch at12:00 every day.
________________________________________________________ 20、Tom doesn’t w alk to school.
________________________________________________________
11、I’m Danny.
完整形式：____________________________________ 12、This’s my ruler.
完整形式：____________________________________ 13、Those’re his robots.
完整形式：____________________________________ 14、You can’t go to have a look.
完整形式：____________________________________ 15、I don’t know his name.
完整形式：____________________________________ 16、I’m in Grade 3.
完整形式：____________________________________ 17、She’s Yang Ling.
完整形式：____________________________________ 18、We’re teachers.
完整形式：____________________________________ 19、I can’t draw a toy car.
完整形式：____________________________________ 20、Jack doesn’t speak English very well.
完整形式：____________________________________
11.________（他）often plays basketball after 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对应的复数，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.What’s this?
___________________________________________
7. I am a tall boy.
___________________________________________
8.She is a beautiful girl.
___________________________________________
9.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 tree.
___________________________________________ 20. This fox is big.
___________________________________________
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 and 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 _ ___ tall 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 new bike.
17. Her mother ______ a vase.
18. Our teacher ______ an English book.
19. Our teachers______ a basketball.
20. Their parents______ some books.。