内容正文:
2026三年级下册(外研版)期末句型转换专项练习
含详细解析及易错提醒
一、(肯定句 → 否定句)
1. ★ Wang Jun likes pandas.
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2. ★★ They can swim fast.
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3. ★★★ Emma has short hair.
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二、(改为一般疑问句,并作肯定回答)
4. ★ Lucas touches his head.
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肯定答:________________________________
5. ★★ Noah can play the piano.
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肯定答:________________________________
6. ★★★ Liu Yi goes to school at seven o'clock.
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肯定答:________________________________
7. ★★ Emma likes fish.
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肯定答:________________________________
三、(对划线部分提问)
8. ★ I have ___two___ eyes.
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9. ★★ She ___can dance___ beautifully.
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10. ★★ He goes to school ___by bus___.
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11. ★★★ It's ___half past eight___.
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12. ★★★ ___Lucas___ likes monkeys.
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13. ★★ I go swimming ___on Sunday___.
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四、(单数句变复数句)
14. ★ This is a dog.
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15. ★★ It is a cat.
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16. ★★★ The bird can fly.
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五、(改为一般疑问句,并作否定回答)
17. ★ Noah reads books.
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否定答:________________________________
18. ★★ They can draw well.
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否定答:________________________________
19. ★★★ Wang Jun likes meat.
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否定答:________________________________
20. ★★ Emma has long legs.
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否定答:________________________________
21. ★★★ Liu Yi watches TV in the evening.
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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 like pandas. / Wang Jun doesn't like pandas.
解析:主语是第三人称单数(Wang Jun),谓语是实义动词(likes),变否定句需借助助动词does,后加not,并将动词likes还原为原形like。
学生常见错误提醒:错误地只在动词后加not(如:Wang Jun likes not pandas...),或忘记将动词还原(如:Wang Jun doesn't likes...)。
2. 参考答案:They can not swim fast. / They can't swim fast.
解析:含有情态动词can的句子,变否定句直接在can后加not,可缩写为can't。情态动词后动词用原形。
学生常见错误提醒:在can not后错误地加to(如:They can not to swim fast...),或写成cann't。
3. 参考答案:Emma does not have short hair. / Emma doesn't have short hair.
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,并将动词has还原为have。
学生常见错误提醒:错误地只在动词后加not(如:Emma has not short hair...),或忘记将动词还原(如:Emma doesn't has...)。
4. 参考答案:问句:Does Lucas touch his head?
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(touches),变一般疑问句在句首加助动词Does,并将touches还原为touch。
学生常见错误提醒:忘记将动词touches还原为原形touch(如:Does Lucas touches his head?),或答语中动词未还原(如:Yes, he touches.)。
5. 参考答案:问句:Can Noah play the piano?
肯定答:Yes, he 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。答语用can对应回答。
学生常见错误提醒:错误地加助动词Do/Does(如:Does Noah can play the piano?)。
6. 参考答案:问句:Does Liu Yi go to school at seven o'clock?
肯定答:Yes, he does.
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。
学生常见错误提醒:忘记将动词goes还原为原形go(如:Does Liu Yi goes to school at seven o'clock?),或答语中动词未还原(如:Yes, he goes.)。
7. 参考答案:问句:Does Emma like fish?
肯定答:Yes, she does.
解析:主语是第三人称单数(Emma),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。
学生常见错误提醒:忘记将动词likes还原为原形like(如:Does Emma likes fish?),或答语中动词未还原(如:Yes, she likes.)。
8. 参考答案:How many eyes do you have?
解析:对数量(two)提问,用疑问词How many。主语是you,时态是一般现在时,用助动词do。
学生常见错误提醒:用What提问,或忘记使用助动词do(如:How many eyes you have?)。
9. 参考答案:What can she do?
解析:对动作(dance beautifully)提问,用疑问词What。原句含有情态动词can,疑问句中can提前。
学生常见错误提醒:用How提问,或忘记将can提前(如:What she can do?)。
10. 参考答案:How does he go to school?
解析:对交通方式(by bus)提问,用疑问词How。主语是第三人称单数,需用助动词does,并将goes还原为go。
学生常见错误提醒:用What提问,或忘记动词还原(如:How does he goes to school?)。
11. 参考答案:What time is it?
解析:对时间(half past eight)提问,用疑问词What time。句子是be动词is,保持不变。
学生常见错误提醒:用When提问,或将be动词遗漏(如:What time it is?)。
12. 参考答案:Who likes monkeys?
解析:对人物(Lucas)提问,用疑问词Who。句子是实义动词likes,保持不变。
学生常见错误提醒:用What提问,或将动词遗漏(如:Who monkeys?)。
13. 参考答案:When do you go swimming?
解析:对时间(on Sunday)提问,用疑问词When。主语是you,时态是一般现在时,用助动词do。
学生常见错误提醒:用What提问,或忘记使用助动词do(如:When you go swimming?)。
14. 参考答案:These are dogs.
解析:This is a dog. 改为复数句,指示代词this变为these,be动词is变为are,名词dog加s。
学生常见错误提醒:忘记改变指示代词和be动词,或名词复数形式错误。
15. 参考答案:They are cats.
解析:It is a cat. 改为复数句,人称代词it变为they,be动词is变为are,名词cat加s。
学生常见错误提醒:忘记改变人称代词和be动词,或名词复数形式错误。
16. 参考答案:The birds can fly.
解析:The bird can fly. 改为复数句,名词bird变为birds,其他部分保持不变。
学生常见错误提醒:错误地改变了情态动词can或动词fly的形式。
17. 参考答案:问句:Does Noah read books?
否定答:No, he doesn't.
解析:主语是第三人称单数(Noah),谓语是实义动词(reads),变一般疑问句在句首加助动词Does,并将reads还原为read。
学生常见错误提醒:忘记将动词reads还原为原形read(如:Does Noah reads books?),或答语中动词未还原(如:No, he reads.)。
18. 参考答案:问句:Can they draw well?
否定答:No, they can't.
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。答语用can对应回答。
学生常见错误提醒:错误地加助动词Do/Does(如:Do they can draw well?)。
19. 参考答案:问句:Does Wang Jun like meat?
否定答:No, he doesn't.
解析:主语是第三人称单数(Wang Jun),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。
学生常见错误提醒:忘记将动词likes还原为原形like(如:Does Wang Jun likes meat?),或答语中动词未还原(如:No, he likes.)。
20. 参考答案:问句:Does Emma have long legs?
否定答:No, she doesn't.
解析:主语是第三人称单数(Emma),谓语是实义动词(has),变一般疑问句在句首加助动词Does,并将has还原为have。
学生常见错误提醒:忘记将动词has还原为原形have(如:Does Emma has long legs?),或答语中动词未还原(如:No, she has.)。
21. 参考答案:问句:Does Liu Yi watch TV in the evening?
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(watches),变一般疑问句在句首加助动词Does,并将watches还原为watch。
学生常见错误提醒:忘记将动词watches还原为原形watch(如:Does Liu Yi watches TV in the evening?),或答语中动词未还原(如:No, he watches.)。
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