内容正文:
2026粤人版三年级下册句型转换专项练习
第一部分:分层练习
一、(肯定句 → 否定句)
1. ★ I have a big nose.
________________________________
2. ★★ The tiger is thin.
________________________________
3. ★★★ She likes rice and fish.
________________________________
二、(改为一般疑问句,并作肯定回答)
4. ★ This is a ruler.
________________________________
肯定答:________________________________
5. ★★ Your bag is in the classroom.
________________________________
肯定答:________________________________
6. ★★ Emma has a pet cat.
________________________________
肯定答:________________________________
7. ★★ Wang Jun likes ice cream.
________________________________
肯定答:________________________________
三、(对划线部分提问)
8. ★ This is my ear.
________________________________
9. ★★ My favourite food is noodles.
________________________________
10. ★★ Lucas is in the library.
________________________________
11. ★★★ I have two hands.
________________________________
12. ★★ The elephant is big and strong.
________________________________
13. ★★★ Noah's pencil is under the book.
________________________________
四、(将下列单数句改为复数句)
14. ★ I am a pupil.
________________________________
15. ★★ This is a tall monkey.
________________________________
16. ★★ He is a good teacher.
________________________________
五、(改为一般疑问句,并作否定回答)
17. ★ You have a brother.
________________________________
否定答:________________________________
18. ★★ Liu Yi likes milk.
________________________________
否定答:________________________________
19. ★★ The bird is on the tree.
________________________________
否定答:________________________________
20. ★★ Open your book.
________________________________
否定答:________________________________
21. ★★ My sister has long hair.
________________________________
否定答:________________________________
解析与学生常见错误提醒
1. 参考答案:I do not have a big nose. / I don't have a big nose.
解析:含有实义动词“have”的肯定句变否定句,在主语I后加“do not (don't)”,动词have保持原形。
学生常见错误提醒:写成“I not have a big nose.” 或“I have not a big nose.”(错误)。
2. 参考答案:The tiger is not thin. / The tiger isn't thin.
解析:含有be动词“is”的肯定句变否定句,在is后面加“not”。
学生常见错误提醒:写成“The tiger not is thin.” 或“The tiger doesn't thin.”。
3. 参考答案:She does not like rice and fish. / She doesn't like rice and fish.
解析:主语是第三人称单数“She”,谓语动词是“likes”,变否定句需用“does not (doesn't)”,同时动词likes要还原为动词原形“like”。
学生常见错误提醒:写成“She not likes...” 或“She doesn’t likes...”(没有还原动词)。
4. 参考答案:问句:Is this a ruler?
肯定答:Yes, it is.
解析:含有be动词“is”的肯定句变一般疑问句,将is提到句首。用it指代“this”回答。
学生常见错误提醒:写成“This is a ruler?” 或答语“Yes, this is.”(回答时用代词it)。
5. 参考答案:问句:Is my bag in the classroom?
肯定答:Yes, it is.
解析:含有be动词“is”的肯定句变一般疑问句,将is提到句首。
6. 参考答案:问句:Does Emma have a pet cat?
肯定答:Yes, she does.
解析:主语是第三人称单数“Emma”,谓语动词是“has”,变一般疑问句需在句首加“Does”,并将has还原为动词原形“have”。Emma是女性,回答时代词用she。
学生常见错误提醒:写成“Has Emma a pet cat?”(英式英语可,但不符本册“Does...have?”核心句型)或“Does Emma has a pet cat?”(动词未还原)。
7. 参考答案:问句:Does Wang Jun like ice cream?
肯定答:Yes, he does.
解析:主语是第三人称单数“Wang Jun”,谓语动词是“likes”,变一般疑问句需在句首加“Does”,并将likes还原为“like”。Wang Jun是男性,回答时代词用he。
学生常见错误提醒:写成“Is Wang Jun like ice cream?” 或“Does Wang Jun likes ice cream?”。
8. 参考答案:What is this?
解析:对“my ear”(我的耳朵)这类物品提问,用疑问词“What”。将is提前。
学生常见错误提醒:用“Where”提问,或写成“What this is?”(语序错误)。
9. 参考答案:What is your favourite food?
解析:对具体食物“noodles”提问,用疑问词“What”。My变为your。
学生常见错误提醒:用“How”提问,或写成“What your favourite food is?”。
10. 参考答案:Where is Lucas?
解析:对地点“in the library”提问,用疑问词“Where”。is提到句首。
学生常见错误提醒:用“What”提问,或写成“Where Lucas is?”。
11. 参考答案:How many hands do you have?
解析:对数量“two”提问,用“How many”。主语I变为you,动词have用原形,前面加助动词do。
学生常见错误提醒:用“What”提问,或写成“How many hands you have?”(漏助动词do)。
12. 参考答案:How is the elephant?
解析:对描述特征、外貌的形容词“big and strong”提问,用“How”。is提到句首。
学生常见错误提醒:用“What”提问,但写成“What is the elephant?” 此句意为“大象是什么?”,应改为“What is the elephant like?”才是“大象什么样?”,但本册重点句型是“How is...?”。
13. 参考答案:Where is Noah's pencil?
解析:对地点“under the book”提问,用疑问词“Where”。is提到句首。
学生常见错误提醒:用“Whose”或“What”提问,或写成“Where Noah's pencil is?”。
14. 参考答案:We are pupils.
解析:单数变复数,I变为We,am变为are,a pupil变为pupils。
学生常见错误提醒:忘记改变be动词,或写成“We is pupils.”。pupil的复数加s即可,注意拼写。
15. 参考答案:These are tall monkeys.
解析:单数变复数,This变为These,is变为are,a tall monkey变为tall monkeys。注意monkey的复数规则变化,以“元音字母+y”结尾,直接加s。
学生常见错误提醒:monkey的复数错写为monkeies。
16. 参考答案:They are good teachers.
解析:单数变复数,He变为They,is变为are,a good teacher变为good teachers。
学生常见错误提醒:teacher的复数错写为teachrs,或忘记改变be动词。
17. 参考答案:问句:Do you have a brother?
否定答:No, I don't.
解析:主语是“You”,谓语动词是“have”,变一般疑问句在句首加“Do”。主语You回答时用I。
学生常见错误提醒:写成“Have you a brother?” 或答语“No, you don't.”(人称错误)。
18. 参考答案:问句:Does Liu Yi like milk?
否定答:No, he doesn't.
解析:主语是第三人称单数“Liu Yi”,谓语动词是“likes”,变一般疑问句需在句首加“Does”,并将likes还原为“like”。Liu Yi是男性,回答时代词用he。
学生常见错误提醒:写成“Is Liu Yi like milk?” 或“Does Liu Yi likes milk?”。
19. 参考答案:问句:Is the bird on the tree?
否定答:No, it isn't.
解析:含有be动词“is”的肯定句变一般疑问句,将is提到句首。主语the bird用it指代回答。
学生常见错误提醒:写成“Does the bird on the tree?” 或答语“No, it doesn't.”。
20. 参考答案:问句:May I open your book?
否定答:No, you may not. / No, you can't.
解析:祈使句“Open your book.”表达一种命令或请求。要将其变为一般疑问句并作否定回答,通常理解为询问是否“可以”做某事。因此问句为“May I open your book?”。否定回答可以用“No, you may not.”或“No, you can't.”。
学生常见错误提醒:直接写成“Open your book?”,这不是一个标准的疑问句。或答语写成“No, I don't.”,不符合语境。
21. 参考答案:问句:Does your sister have long hair?
否定答:No, she doesn't.
解析:主语是第三人称单数“your sister”,谓语动词是“has”,变一般疑问句需在句首加“Does”,并将has还原为动词原形“have”。主语your sister回答时代词用she。
学生常见错误提醒:写成“Is your sister have long hair?” 或“Has your sister long hair?”(英式英语可,但不符本册“Does...have?”核心句型)或答语“No, your sister doesn't.”(未用人称代词)。
学科网(北京)股份有限公司
$