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译林版（新教材）三年级下册英语 句型转换专项 答案+详细解析
1. 答案：want brown toy cars
解析：原句单数变复数。主语 `The boys` 为复数，谓语动词用原形 `want`；`a brown toy car` 对应变为复数 `brown toy cars`。
2. 答案：Why do
解析：划线部分 `because it’s bright`（表原因），用 Why 提问；主语 you，一般现在时，助动词用 `do`。
3. 答案：What colour is the ruler
解析：划线部分 `blue`（颜色），用 What colour 提问，语序：疑问词+be动词+主语。
4. 答案：How many
解析：划线部分 `five`（数量），`animals` 是可数名词复数，用 How many 提问数量。
5. 答案：Do you; lions; don't
解析：实义动词 like，主语 we，变一般疑问句加助动词 `Do`，主语改为 `you`；否定回答：No, we don't.
6. 答案：What do; like
解析：划线部分 `bamboo`（事物），用 What 提问；主语 `the pandas` 复数，助动词用 `do`，后面动词用原形 like。
7. 答案：Would; like some; please
解析：`I'd like = I would like`，变疑问句直接把 `Would` 提前；委婉请求句式中 `some` 不变；肯定回答固定用 `Yes, please.`。
8. 答案：What is your father / What does your father do
解析：划线部分 `a doctor`（职业），两种常用句型提问职业。
9. 答案：Who is she
解析：划线部分 `my sister`（人物身份），用 Who 提问。
10. 答案：don't like
解析：主语 I，一般现在时，实义动词变否定，用 `don't + 动词原形`。
11. 答案：I don't
解析：Do you... 一般疑问句，否定回答：No, I don't.
12. 答案：Yes; do; cute/lovely / No; don't; scary
解析：分两种作答：肯定回答+褒义形容词（可爱的）；否定回答+贬义形容词（吓人的），填写其一即可。
13. 答案：No; it isn't
解析：Is that... 一般疑问句，否定回答：No, it isn't.
14. 答案：Where are
解析：划线部分 `under the tree`（地点），用 Where 提问；主语 `the sheep` 此处为复数，be动词用 `are`。
15. 答案：they aren't
解析：Are those... 一般疑问句，否定回答用 `they` 指代，即 No, they aren't.
16. 答案：Are those your
解析：含be动词are，变疑问句直接提前；形容词性物主代词 `my` 改为 `your`。
17. 答案：What do; like
解析：划线部分 `fruit`（事物），用What提问；主语the pigs为复数，助动词do，动词用原形like。
18. 答案：What does Grandpa's farm have
解析：划线部分 `ten cows`（事物），用What提问；主语 `Grandpa's farm` 三单，助动词用 `does`，后面动词变回原形 have。
19. 答案：don't; any
解析：主语I，一般现在时否定用 `don't`；肯定句中的 `some` 在否定句中改为 `any`。
20. 答案：Do you; an apple; Yes; do
解析：实义动词have，变疑问句加助动词Do，主语I改为you；名词短语不变；肯定回答：Yes, I do.
21. 答案：can't make
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。
22. 答案：Would; like some
解析：`I'd like` 变疑问句将Would提前；委婉请求，`some` 无需改为any。
23. 答案：How many
解析：划线部分 `an`（数量），后面是可数名词复数 `apples`，用 How many 提问。
24. 答案：Is; your; it isn't
解析：be动词is提前，`my` 改为 `your`；否定回答：No, it isn't.
25. 答案：What can; do
解析：划线部分 `clean the classroom`（动作），用What提问；情态动词can提前，主语we不变，动词用原形do。
26. 答案：What must; do
解析：划线部分为动作，用What提问；情态动词must直接提前，动词用原形do。
27. 答案：behind
解析：`in front of`（在……前面），反义词组 `behind`（在……后面）。
28. 答案：Where are
解析：划线部分 `in the garden`（地点），用Where提问；主语the planes复数，be动词用are。
29. 答案：It's time for fun.
解析：固定同义转换：`It's time to do sth. = It's time for sth.`（到做某事的时间了）。
30. 答案：are not / aren't
解析：含be动词are，变否定直接加not，可缩写为aren't。
31. 答案：What can; do
解析：划线部分为动作，用What提问；情态动词can提前，动词用原形do。
32. 答案：can't talk / mustn't talk
解析：原句为否定祈使句“不要在课堂讲话”，同义句：你不能/禁止在课堂讲话。
33. 答案：No; thanks
解析：Would you like... 委婉邀请，否定回答固定用 No, thanks.（不用了，谢谢）。
34. 答案：isn't my
解析：含be动词is，变否定加not（isn't）；物主代词my保持不变。
35. 答案：What; do
解析：划线部分 `sweep the floor`（动作），用What提问；助动词do后接动词原形do。
36. 答案：No; it isn't
解析：Is that... 否定回答：No, it isn't.
37. 答案：What can
解析：划线部分 `a book`（事物），用What提问；情态动词can提前。
38. 答案：Is that your
解析：be动词is提前，`my` 改为 `your`。
39. 答案：Is it your
解析：原句主语it，be动词is提前；`my father's` 对应改为 `your father's`。
40. 答案：Don't put
解析：肯定祈使句变否定句，句首加 Don't，后面接动词原形。
41. 答案：Is this your ruler
解析：be动词is提前，形容词性物主代词my改为your。
42. 答案：What's that
解析：划线部分 `a ruler`（事物），用What提问，缩写 What's that 译林版（新教材）三年级下册英语期末Unit 1- Unit 8专项练习
句型转换
1．The boy wants a brown toy car. (改为复数句)
The boys ______ ______ ______ ______.
2．I like red because it’s bright. (对划线部分提问)
______ ______ you like red
3．The ruler is blue. (对划线部分提问)
________________________________
4．I can see five animals. (对划线部分提问)
______ ______ animals can you see
5．We like lions. (改为一般疑问句并作否定回答)
—_____ _____ like _____
—No, we _____.
6．The pandas like bamboo. (对划线部分提问)
_____ _____ the pandas _____
7．I’d like some mangoes. (改为一般疑问句并作肯定回答)
_____ you _____ _____ mangoes
Yes, _____.
8．My father is a doctor. (就划线部分提问)
_______________________________________________
9．She is my sister. (对划线部分提问)
_________________________________________________
10．I like chickens. (改为否定句)
I _______ _______ chickens.
11．Do you like bears (作否定回答)
No, _______ _______.
12．Do you like bears (作出回答，并说出理由)
______, I ______.
Because they are __________.
13．Is that an apple (作否定回答)
______, ______ ______.
14．The sheep are under the tree. (对划线部分提问)
____ ____ the sheep
15．Are those sheep (作否定回答)
No, _____ _____ .
16．Those are my carrots over there. (改为一般疑问句)
____ ____ ____ carrots over there
17．The pigs like fruit. (对划线部分提问)
____ ____ the pigs ____
18．Grandpa’s farm has ten cows. (对划线部分提问)
_________________________________
19．I have some eggs. (改为否定句)
I ______ have ______ eggs.
20．I have an apple. (改为一般疑问句并做肯定回答)
—_____ _____ have _____ _____
—_____, I _____.
21．I can make a plan for a fruit salad. (改为否定句)
I _____ _____ a plan for a fruit salad.
22．I’d like some apple juice. (改为一般疑问句)
_____ you _____ apple juice
23．She has an orange. (对划线部分提问)
______ ______ apples does she have
24．The toy dog is on my chair. (改成一般疑问句，并做否定回答)
__________ the toy dog on __________ chair
No, __________ __________.
25．We can clean the classroom. (对划线部分提问)
______ ______ we ______
26．We must listen to the teacher. (对划线部分提问)
______ ______ we ______
27．Tom is in front of me. (改为同义句)
I am ____ Tom.
28．The planes are in the garden. (对划线部分提问)
______ ______ the planes
29．It is time to have fun. (改为同义句)
______________________
30．The school rules are good for us. (改为否定句)
The school rules ______ ______ good for us.
31．We can put up our hands when we want to ask a question. (对划线部分提问)
______ ______ we ______ when we want to ask a question
32．Don’t talk in class. (改为同义句)
You ______ ______ in class.
33．Would you like a sweet (作否定回答)
____,_____.
34．This is my new classroom. (改为否定句)
This __________ __________ new classroom.
35．I sweep the floor at home. (对划线部分提问)
_________ do you _________ at home
36．Is that a schoolbag (作否定回答)
______, ______ ______.
37．I can see a book in the picture. (对划线部分提问)
______ ______ you see in the picture
38．That is my toy giraffe. (改为一般疑问句)
__________ __________ __________ toy giraffe
39．It’s my father’s notebook (笔记本). (改为一般疑问句)
______ ______ ______ father’s notebook
40．Put your book in the schoolbag. (改为否定句)
______ _______ your book in the schoolbag.
41．This is my ruler. (改为一般疑问句)
_________________________________________
42．That is a ruler. (对划线部分提问)
_______ _______

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