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人教PEP版四年级下册英语句型转换专项训练 答案+解析
1. 答案：Who are
解析：划线部分人，用疑问词 Who 提问；原句含be动词are，直接保留。
2. 答案：What can; do
解析：划线部分是动作，用What提问；句中有情态动词can，提前至主语前，后面实义动词用原形do。
3. 答案：Don't keep
解析：肯定祈使句变否定，规则：句首加 Don't + 动词原形。
4. 答案：Are you
解析：含be动词的陈述句变一般疑问句，be动词are提前；第一人称We 改为第二人称 you。
5. 答案：Don't turn
解析：祈使句变否定，句首加Don't，后接动词原形turn。
6. 答案：Where is
解析：划线部分地点，用Where提问；be动词is提前。
7. 答案：do; do
解析：一般现在时，主语为you，变问句借助助动词do，谓语动词变回原形do。
8. 答案：Can you
解析：情态动词can引导的问句，直接把can提前；I 改为 you。
9. 答案：is playing
解析：现在进行时结构：主语 + am/is/are + 动词ing；主语my brother是第三人称单数，用is，play变playing。
10. 答案：Where is
解析：划线部分表地点，用Where提问，be动词is提前。
11. 答案：What should; do
解析：划线部分是动作，用What提问；情态动词should直接提前，谓语用原形do。
12. 答案：mustn't make
解析：原句“不要把房间弄乱”，同义句：你不许把房间弄乱。mustn't 表示禁止，后接动词原形。
13. 答案：can't play
解析：情态动词can变否定，直接在后面加not，缩写can't，动词用原形。
14. 答案：Yes; do
解析：Do引导的一般疑问句，肯定回答格式：Yes, 主语 + do。
15. 答案：When does; have
解析：划线部分是时间，用When提问；主语she为三单，借助助动词does，has 变回原形have。
16. 答案：time for school
解析：固定句型转换：It's time to do sth. = It's time for + 名词（到……时间了）。
17. 答案：Does; brush
解析：一般现在时，主语she是三单，变疑问句加助动词Does，动词brushes变回原形brush。
18. 答案：When do
解析：划线为具体时间，用When提问；主语you，借助助动词do。
19. 答案：What time
解析：提问具体几点钟，固定用疑问词组 What time。
20. 答案：Is it
解析：含be动词is，变一般疑问句将is提前，语序改为 Is it...
21. 答案：Don't look
解析：祈使句否定形式，句首加Don't，后接动词原形look。
22. 答案：How much
解析：划线部分是价格，提问价格用 How much。
23. 答案：What's wrong with your trousers
解析：划线描述衣物状态“太短了”，询问某物怎么了，固定句型 What's wrong with...。
24. 答案：These are pairs of shorts.
解析：单数改复数：This→These，is→are，a pair→pairs。
25. 答案：That is an expensive shoe.
解析：复数改单数：Those→That，are→is，shoes→a shoe。
26. 答案：That jacket isn't cheap.
解析：要求句意不变，expensive（贵的）反义词为cheap（便宜的），改为否定句：这件夹克不便宜。
27. 答案：What do you need
解析：划线为物品，用What提问；主语you，借助助动词do，动词用原形need。
28. 答案：What colour are the trousers
解析：划线是颜色，提问颜色用 What colour，be动词are提前。
29. 答案：How many cows do you have
解析：划线是可数名词数量，How many + 可数名词复数提问；主语you，加助动词do。
30. 答案：What are
解析：划线为物品，用What提问，be动词are提前。
31. 答案：doesn't run
解析：一般现在时，主语the horse是三单，否定句用助动词doesn't，runs变回原形run。
32. 答案：What; these
解析：划线是物品，用What提问，剩余部分直接写these。
33. 答案：They are
解析：问句 What are those 回答统一用 They are + 名词。
34. 答案：Does she have
解析：主语she为三单，疑问句加助动词Does，has 变回原形have。
35. 答案：There are; in
解析：同义转换：用 There be 句型表示“某地有某物”；flowers是复数，用are；“在花园里”用介词in。
36. 答案：Are these
解析：含be动词are，变疑问句直接将are提前，即 Are these tomatoes
37. 答案：Yes; please
解析：Would you like... 表示委婉邀请，肯定回答固定：Yes, please.
38. 答案：What does; do
解析：划线为动作，用What提问；主语he是三单，加助动词does，动词waters改为do。
39. 答案：Can; make
解析：含情态动词can，变疑问句把can提前，动词用原形make。
40. 答案：aren't feeding
解析：现在进行时变否定，在be动词are后加not，缩写aren't，后面保留doing形式。人教PEP版（新教材）四年级下册英语期末复习Unit 1 - Unit 6
句型转换专项训练
1．Wu Binbin and Amy are on duty today. (对划线部分提问)
______ ______ on duty today
2．I can sweep the floor. (对划线部分提问)
______ ______ you ______
3．Keep your desk tidy. (改为否定祈使句)
______ ______ your desk tidy.
4．We are ready for class. (改为一般疑问句)
______ ______ ready for class
5．Turn off the light. (改为否定祈使句)
______ ______ off the light.
6．The blackboard is on the wall. (对划线部分提问)
______ ______ the blackboard
7．We clean the desks after class. (对划线部分提问)
What ______ you ______ after class
8．I can wash my clothes. (改为一般疑问句)
_________ _________ wash your clothes
9．My brother plays in the living room. (改为现在进行时)
My brother ______ ______ in the living room.
10．The boy is in the study. (对划线部分提问)
______ ______ the boy
11．We should help our parents do housework. (对划线部分提问)
______ ______ we ______
12．Don’t make your room messy. (改为同义句)
You ______ ______ your room messy.
13．I can play outside on weekends. (改为否定句)
I ______ ______ outside on weekends.
14．Do you have to clean your room (作肯定回答)
__________, I __________.
15．She has to go to bed by 9 p.m. (对划线部分提问)
__________ she __________ to go to bed
16．It’s time to go to school. (改为同义句)
It’s ______ ______ ______.
17．She brushes her teeth. (改为一般疑问句)
________ she ________ her teeth
18．I have lunch at 12:00. (对划线部分提问)
______ ______ you have lunch
19．It’s 8:00. It’s time for class. (对划线部分提问)
______ ______ is it
20．It’s time to go to school. (改为一般疑问句)
__________ __________ time to go to school
21．Look at the clock. (改为否定句)
__________ __________ at the clock.
22．The shirt is 80 yuan. (对划线部分提问)
_________ _________ is the shirt
23．My trousers are too short. (对划线部分提问)
______________________________
24．This is a pair of shorts. (改为复数句)
______________________________
25．Those are expensive shoes. (改为单数句)
____________________
26．That jacket is too expensive. (改为否定句，意思不变)
__________________________
27．We need a pair of shorts. (对划线部分提问)
_____________________________
28．The trousers are blue. (对划线部分提问)
_____________________________
29．I have ten cows. (对划线部分提问)
______________________________
30．They are cans for milk. (对划线部分提问)
________________ these
31．The horse runs fast. (改为否定句)
The horse ___________________ fast.
32．These are green beans. (对划线部分提问)
_______ are _______
33．What are those (用carrots回答)
_______ _______ carrots.
34．She has 15 chickens. (改为一般疑问句)
______ ______ ______ 15 chickens
35．The garden has many flowers. (改为同义句)
______ ______ many flowers ______ the garden.
36．These are tomatoes. (改为一般疑问句)
________________________ tomatoes
37．Would you like some vegetables (作肯定回答)
______, ______.
38．He waters the plants every week. (对划线部分提问)
______ ______ he ______ every week
39．Chen Jie can make a salad. (改为一般疑问句)
______ Chen Jie ______ a salad
40．They are feeding the chickens. (改为否定句)
They ______ ______ the chickens.

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