一． 否定句。
由肯定句变为否定句的方法：
1. 如果句中已经有be动词，情态动词或将来时助动词will/shall，只需在其后面加上否定词not即可，例如：
1） they are from china.＼they aren’t from china.
2） helen is cleaning her bedroom.＼helen isn’t cleaning her bedroom.
3） i’m doing my homework.＼ i’m not doing my homework.
4） she can sing and dance.＼ she can’t sing and dance.
2. 如果句中没有be动词，情态动词或将来时助动词will/shall，必须先添加相应的助动词，然后在其后面加上否定词not，注意动词形式的变化，例如：
1） nancy has a toy panda. ＼nancy doesn’t h**e a toy panda.
2） the boys like swimming.＼ the boys don’t like swimming.
3. 祈使句通常用来表示请求，命令，劝告，建议以及祝福等，其主语一般为you，但基本省略。祈使句的否定句只需在句首加上don’t即可。
练习：（把下列句子改为否定句）
1. there is some juice in the glass.
2. there are some pens in the pencil-box.
3. she can play basketball.
4. we are doing some washing.
5. write on the wall, please.
6. we like reading english books.
7. i’m going to the library.
8. my brother has a yo-yo.
9. read the numbers, please.
10. they like cooking.
11. i like h**ing ice creams.
12. the rabbit can jump and run.
13. please put the clothes here.
14. miss li goes to work by bike.
二． 一般疑问句。
1. 如果句中已经有be动词，情态动词或将来时助动词will/shall，只需将这些词提前至句首即可。例如：
1） mike is two years old.＼ is mike two years old?
2） he can ride a bike. ＼can he ride a bike?
练习：（把下列句子改为一般疑问句并作肯定，否定回答）
1. there are some song books in the bookcase.
2. there is an apple on the desk.
3. my house is big.
4. we can read the new words.
5. the boy can put a book on his head.
6. i can ride a bike.
7. i like a mask.
8. we are washing our clothes.
9. i’m doing my homework.
10. they are ****** some cakes.
11. helen and i h**e some apples.
12. tom has some bread.
13. d**id and his sister h**e a nice cmputer.
14. my father has some magazines.
15. the girl likes dancing.
三． 对划线部分提问。
1. her sister is in the office.
2. her sister is in the office.
3. there are four girls in the classroom.
4. we h**e three lessons in the morning.
5. there are some pictures on the wall.
6. there are some flowers on the table.
7. there is a map of china on the wall.
8. i can sing ‘yesterday once more’.
9. the boy can make a model plane.
10. my mother can play the piano.
11. yangling can dance.
12. the pumpkin lantern is twenty yuan.
13. we need some *****.
14. this is su yang speaking.
15. nancy is cleaning the windows.
16. she is sweeping the floor in the classroom.
17. they are cleaning the windows.
18. i am going to the office.
19. we h**e some tents.
20. mike’s friend has a blanket.
21. nancy and jim are over there.
22. i can see only one sandwich in the box.
23. the window is a rectangle.
24. i am watching tv at home.
25. we can clean our library.
26. i h**e a new bike.
27. they like playing table tennis.
28. it’s liutao’s picture.
29. my mother is a teacher.
30. my parents h**e two children.
四． 单复句改写。
1. there are some oranges on the table.
2. there is a tree behind the house.
3. we can make some puppets.
4. he has a toy car.
5. here are some apples for you.
6. there is a student in the classroom
7. i like this model very much.
8. here is a crayon for you.
9. are they american students?
10. can you see this pen?
11. the children h**e some tins of fish.
12. they aren’t drawing the pictures now.
13. there is a mango in the box.
14. there is box under the table.
15. is there a guitar in the music room?
五． 同义句。
1. let’s go and see.
2. nice to see you.
3. this candle is jim’s.
4. she has long hair.
5. these are fat pigs.
6. let’s go to the cinema.
六． 综合练习：
1. nice to meet you.(写出应答句)
2. we live in a new house.(提问)
3. there is a dog in the garden.(提问)
4. are they american women?（改为单数句）
5. do it like that, please.（改为否定句）
6. there are some toy planes in the box.（改为一般疑问句，并作否定回答）
7. the girl needs a doll.（改为一般疑问句，并作否定回答）
8. the garden is behind my school.（提问）
9. my mother buys one tin of dog’s food every day.（提问）
10. i’m going to buy an ice cream.（提问）
11. the students of class 11 are playing football in the playground now.（提问）
12. nancy has two apples a day.（提问）
13. please open the door.（改为否定句）
14. lily does her homework every day.（改为一般疑问句和否定句）
15. i can see mary’s jacket.（提问）
16. it’s ten fifteen.（提问）
17. the children like the mask.（改为单数句）
18. they h**e some knives.（改为单数句）
19. my brother has some toys.（改为一般疑问句，并作肯定回答）
20. the mangoes are ten yuan.（提问）
21. they aren’t drawing the pictures now.（改为单数句）
22. my grandfather is walking in the garden.（该为一般疑问句，并作否定回答）
23. jack and i are running in the playground.（提问）
24. i h**e a new bike.（提问）
25. i can dance.（用now改写）
26. shall we go and play there?（同义句）
27. they live in shanghai.（用he换they）
28. liutao and mike are sitting on the floor.（提问）
29. they h**e a pot behind their tent.（用he换they）
30. suhai and suyang h**e breakfast at six o’clock.（用now换six o’clock）
31. we go to school by bus every day.（提问）
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