内容正文:
2026接力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. ★ This is my new bag.
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2. ★★ I can swim in the river.
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3. ★★★ I like apples and pears.
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二、(改为一般疑问句,并作肯定回答)
4. ★ It is under the chair.
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肯定答:________________________________
5. ★★ You can jump high.
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肯定答:________________________________
6. ★★ Liu Yi likes cats.
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肯定答:________________________________
7. ★★ We are happy today.
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肯定答:________________________________
三、(对划线部分提问)
8. ★ My name is Emma.
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9. ★★ Noah can draw a dog.
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10. ★★ It is Monday today.
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11. ★★★ I feel hungry.
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12. ★★ The book is in the desk.
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13. ★★★ I have three pencils.
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四、(将下列单数句改为复数句)
14. ★ I am a pupil.
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15. ★★ This is a big tiger.
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16. ★★ I love that animal.
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五、(改为一般疑问句,并作否定回答)
17. ★ This is an apple.
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否定答:________________________________
18. ★★ The pen is on the desk.
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否定答:________________________________
19. ★★ Lucas can sing an English song.
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否定答:________________________________
20. ★★ Emma feels tired.
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否定答:________________________________
21. ★★ Wang Jun has a new ruler.
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否定答:________________________________
解析与学生常见错误提醒
1. 参考答案:This is not my new bag. / This isn't my new bag.
解析:含有be动词“is”的肯定句变否定句,在“is”后面直接加“not”。
学生常见错误提醒:写成“This not is my new bag.”(语序错误)或“This is no my new bag.”(误用no)。
2. 参考答案:I can not swim in the river. / I can't swim in the river.
解析:含有情态动词“can”的肯定句变否定句,在“can”后面直接加“not”。
学生常见错误提醒:写成“I not can swim...” 或“I can no swim...”。
3. 参考答案:I do not like apples and pears. / I don't like apples and pears.
解析:主语是“I”,谓语动词是“like”,变否定句需要在主语后加“do not (don't)”。
学生常见错误提醒:写成“I not like...” 或“I am not like...”。
4. 参考答案:问句:Is it under the chair?
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。主语“It”回答时也用it。
学生常见错误提醒:写成“Does it under the chair?” 或答语“Yes, it's.”(简写形式不用于简短回答)。
5. 参考答案:问句:Can you jump high?
肯定答:Yes, I can.
解析:含有情态动词“can”的肯定句变一般疑问句,将“can”提到句首。主语you变为I来回答。
学生常见错误提醒:写成“Do you can jump high?” 或答语“Yes, I do.”。
6. 参考答案:问句:Does Liu Yi like cats?
肯定答:Yes, she does.
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还原为动词原形“like”。Liu Yi是女性,回答用she。
学生常见错误提醒:写成“Is Liu Yi like cats?” 或“Does Liu Yi likes cats?”。
7. 参考答案:问句:Are you happy today?
肯定答:Yes, we are.
解析:含有be动词“are”的肯定句变一般疑问句,将“are”提到句首。主语we变为you,回答时用we。
学生常见错误提醒:写成“Do you happy today?” 或“Are we happy today?”(主语未转换)。
8. 参考答案:What is your name?
解析:对姓名“Emma”提问,用“What...?”。be动词“is”提到主语“my name”前,并将“my name”改为“your name”。
学生常见错误提醒:写成“What your name?”(漏了be动词)或“What is you name?”(代词用错)。
9. 参考答案:Who can draw a dog?
解析:对人物“Noah”提问,用“Who”。who作主语时,视为第三人称单数,情态动词can保持原形,无需助动词。
学生常见错误提醒:写成“Who does can draw a dog?”(多加了助动词)或“Who can draws a dog?”(动词错误变化)。
10. 参考答案:What day is it today?
解析:对星期“Monday”提问,用固定句型“What day is it today?”。
学生常见错误提醒:写成“What is it today?”(不完整)或“What day today?”(缺少be动词和主语)。
11. 参考答案:How do you feel?
解析:对感受“hungry”提问,用“How...feel?”。主语I变为you,助动词用do。
学生常见错误提醒:写成“How you feel?”(漏了助动词)或“What do you feel?”(用错疑问词)。
12. 参考答案:Where is the book?
解析:对地点“in the desk”提问,用“Where...?”。be动词“is”提到主语“the book”前。
学生常见错误提醒:写成“Where the book is?”(语序错误)或“Where is the book in?”(介词in重复)。
13. 参考答案:How many pencils do you have?
解析:对可数名词的数量“three”提问,用“How many...?”。主语I变为you,动词have还原为原形,前面加助动词do。
学生常见错误提醒:写成“How many pencil do you have?”(pencil没用复数)或“How many you have pencils?”(语序和名词单复数均错误)。
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:pupil的复数直接加s。注意将a去掉。
15. 参考答案:These are big tigers.
解析:单数变复数,This变为These,is变为are,a big tiger变为big tigers。
学生常见错误提醒:tiger的复数直接加s。注意将a去掉。
16. 参考答案:We love those animals.
解析:单数变复数,I变为We,love不变,that animal变为those animals。
学生常见错误提醒:animal的复数直接加s。注意指示代词that变为those。
17. 参考答案:问句:Is this an apple?
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“This”用it指代回答。
学生常见错误提醒:写成“Does this an apple?” 或答语“No, it doesn’t.”。
18. 参考答案:问句:Is the pen on the desk?
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 pen”用it指代回答。
学生常见错误提醒:写成“Does the pen on the desk?” 或答语“No, it doesn’t.”。
19. 参考答案:问句:Can Lucas sing an English song?
否定答:No, he can't.
解析:含有情态动词“can”的肯定句变一般疑问句,将“can”提到句首。主语Lucas是男性,回答用he。
学生常见错误提醒:写成“Does Lucas can sing...?” 或答语“No, he doesn't.”。
20. 参考答案:问句:Does Emma feel tired?
否定答:No, she doesn't.
解析:主语是第三人称单数“Emma”,谓语动词是“feels”,变一般疑问句需在句首加“Does”,并将feels还原为动词原形“feel”。Emma是女性,回答用she。
学生常见错误提醒:写成“Is Emma feel tired?” 或“Does Emma feels tired?”。
21. 参考答案:问句:Does Wang Jun have a new ruler?
否定答:No, he doesn't.
解析:主语是第三人称单数“Wang Jun”,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”。Wang Jun是男性,回答用he。
学生常见错误提醒:写成“Is Wang Jun have a new ruler?” 或“Does Wang Jun has a new ruler?”。
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