内容正文:
2026三年级下册(北京版)句型转换专项练习
一、(肯定句 → 否定句)
1. ★ Wang Jun gets up at seven o'clock.
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2. ★★ Emma has English on Monday.
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3. ★★★ The weather is rainy today.
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二、(改为一般疑问句,并作肯定回答)
4. ★ My cap is behind the door.
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肯定答:________________________________
5. ★★ You can go skating in winter.
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肯定答:________________________________
6. ★★ Lucas likes fish best.
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肯定答:________________________________
7. ★★ It is time for breakfast.
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肯定答:________________________________
三、(对划线部分提问)
8. ★ My ruler is on the desk.
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9. ★★ The socks are under the chair.
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10. ★★ It is sunny today.
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11. ★★★ I can fly kites in spring.
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12. ★★ I have Chinese and Maths on Monday.
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13. ★★★ Emma gets up at half past six.
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四、(单数句变复数句)
14. ★ The pen is on the book.
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15. ★★ Where is the new cap?
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16. ★★ It's a white sock.
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五、(改为一般疑问句,并作否定回答)
17. ★ I am Noah.
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否定答:________________________________
18. ★★ We have PE on Friday.
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否定答:________________________________
19. ★★ It is windy in Chengdu.
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否定答:________________________________
20. ★★ Liu Yi goes to school at eight o'clock.
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否定答:________________________________
21. ★★ This is your schoolbag.
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否定答:________________________________
解析与学生常见错误提醒
1. 参考答案:Wang Jun does not get up at seven o'clock. / Wang Jun doesn't get up at seven o'clock.
解析:主语是第三人称单数(Wang Jun),谓语是实义动词(gets up),变否定句需借助助动词does,后加not,并将gets还原为get。
学生常见错误提醒:忘记将动词还原(如:Wang Jun doesn't gets up...),或错误地写成“Wang Jun not gets up...”。
2. 参考答案:Emma does not have English on Monday. / Emma doesn't have English on Monday.
解析:主语是第三人称单数(Emma),谓语是实义动词(has),变否定句需借助助动词does,后加not,并将has还原为have。
学生常见错误提醒:忘记将动词还原(如:Emma doesn't has...),或混淆has和have的变化规则。
3. 参考答案:The weather is not rainy today. / The weather isn't rainy today.
解析:含有be动词(is)的句子,变否定句直接在be动词后加not。
学生常见错误提醒:错误地写成“The weather not is rainy...”或“The weather doesn't rainy...”。
4. 参考答案:问句:Is your cap behind the door?
肯定答:Yes, it is.
解析:含有be动词(is)的陈述句变一般疑问句,将be动词(is)提前至句首。物主代词my变为your。
学生常见错误提醒:忘记将my变为your,或答语中主谓不一致。
5. 参考答案:问句:Can I go skating in winter?
肯定答:Yes, you can.
解析:含有情态动词can的陈述句变一般疑问句,将can提前至句首。注意人称转换(You → I)。
学生常见错误提醒:未进行人称转换,或答语中人称错误。
6. 参考答案:问句:Does Lucas like fish best?
肯定答:Yes, he does.
解析:主语是第三人称单数(Lucas),谓语是实义动词(likes),变一般疑问句在句首加助动词Does,并将likes还原为like。主语Lucas是男性,回答时代词用he。
学生常见错误提醒:忘记将动词还原(如:Does Lucas likes...),或答语中动词未还原。
7. 参考答案:问句:Is it time for breakfast?
肯定答:Yes, it is.
解析:含有be动词(is)的陈述句变一般疑问句,将be动词(is)提前至句首。
学生常见错误提醒:忘记将be动词提前,或答语中主谓不一致。
8. 参考答案:Where is your ruler?
解析:对地点(on the desk)提问,用疑问词Where。句子是be动词is,疑问句中is提前。物主代词my变为your。
学生常见错误提醒:用What提问,或忘记将my变为your。
9. 参考答案:Where are the socks?
解析:对地点(under the chair)提问,用疑问词Where。句子是be动词are,疑问句中are提前。主语是复数名词the socks。
学生常见错误提醒:忘记将be动词提前,或用Where is...。
10. 参考答案:What is the weather like today? 或 How is the weather today?
解析:对天气状况(sunny)提问,用固定句型What is the weather like? 或 How is the weather? 句子是be动词is,疑问句中is提前。
学生常见错误提醒:错误地写成“What is the weather?”(缺少like),或用What's the weather today?(结构不完整)。
11. 参考答案:What can you do in spring?
解析:对活动(fly kites)提问,用疑问词What。含有情态动词can的句子,疑问句中can提前。主语I变为you。
学生常见错误提醒:用How提问,或未将I变为you。
12. 参考答案:What classes do you have on Monday?
解析:对课程(Chinese and Maths)提问,用疑问词What classes。主语是I,疑问句中变为you,时态是一般现在时,用助动词do。
学生常见错误提醒:用Which提问,或忘记使用助动词do。
13. 参考答案:When does Emma get up?
解析:对时间点(at half past six)提问,用疑问词When。主语是第三人称单数(Emma),谓语是实义动词(gets),疑问句中用助动词Does,并将gets还原为get。
学生常见错误提醒:用What time提问(可以接受,但When更通用),或忘记将动词还原。
14. 参考答案:The pens are on the books.
解析:单数变复数,the pen → the pens, is → are, the book → the books。
学生常见错误提醒:忘记将be动词改为are,或名词复数形式错误。
15. 参考答案:Where are the new caps?
解析:单数变复数,the new cap → the new caps, is → are。
学生常见错误提醒:忘记将be动词改为are,或只将cap变复数,忘记将疑问句整体结构改为复数。
16. 参考答案:They are white socks.
解析:单数变复数,It's → They are, a white sock → white socks。
学生常见错误提醒:忘记将主语改为They are,或sock的复数形式错误。
17. 参考答案:问句:Are you Noah?
否定答:No, I'm not.
解析:含有be动词(am)的陈述句变一般疑问句,将be动词(are)提前至句首。主语I变为you。
学生常见错误提醒:忘记将be动词提前,或答语不简练。
18. 参考答案:问句:Do you have PE on Friday?
否定答:No, we don't.
解析:主语是第一人称复数(We),谓语是实义动词(have),变一般疑问句在句首加助动词Do。主语we回答时用we。
学生常见错误提醒:答语中人称错误。
19. 参考答案:问句:Is it windy in Chengdu?
否定答:No, it isn't.
解析:含有be动词(is)的陈述句变一般疑问句,将be动词(is)提前至句首。
学生常见错误提醒:忘记将be动词提前,或答语中主谓不一致。
20. 参考答案:问句:Does Liu Yi go to school at eight o'clock?
否定答:No, he doesn't.
解析:主语是第三人称单数(Liu Yi),谓语是实义动词(goes),变一般疑问句在句首加助动词Does,并将goes还原为go。主语Liu Yi是男性,回答时代词用he。
学生常见错误提醒:忘记将动词还原,或答语中动词未还原。
21. 参考答案:问句:Is this your schoolbag?
否定答:No, it isn't.
解析:含有be动词(is)的陈述句变一般疑问句,将be动词(is)提前至句首。物主代词your保持不变。主语This回答时用it。
学生常见错误提醒:答语中人称错误。
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