内容正文:
2026陕旅版四年级下册句型转换专项练习
第一部分:分层专项练习
一、(肯定句 → 否定句)
1. ★ My watch is on the desk.
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2. ★★ He has English and Maths this morning.
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3. ★★★ You must turn left here.
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二、(改为一般疑问句,并作肯定回答)
4. ★ The cat is behind the door.
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肯定答:________________________________
5. ★★ Today is Friday.
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肯定答:________________________________
6. ★★ They are in Chengdu.
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肯定答:________________________________
7. ★★ She helps students in the school.
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肯定答:________________________________
三、(对划线部分提问)
8. ★ My glasses are on your head.
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9. ★★ We have six classes this morning.
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10. ★★ Emma's favourite season is summer.
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11. ★★★ That sign means “Stop”.
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12. ★★ Noah is cleaning the window.
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13. ★★★ I can see a river in the park.
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四、(将下列单数句改为复数句)
14. ★ The book is on the chair.
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15. ★★ He is a good student.
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16. ★★ What does that sign mean?
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五、(改为一般疑问句,并作否定回答)
17. ★ There is a lake in the park.
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否定答:________________________________
18. ★★ Wang Jun likes winter.
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否定答:________________________________
19. ★★ Lucas is reading a book.
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否定答:________________________________
20. ★★ They can see mountains.
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否定答:________________________________
21. ★★ We must cross the road here.
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否定答:________________________________
解析与学生常见错误提醒
1. 参考答案:My watch is not on the desk. / My watch isn't on the desk.
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“My watch not is on the desk.” 或 “My watch is no on the desk.”。
2. 参考答案:He does not have English and Maths this morning. / He doesn't have English and Maths this morning.
解析:主语是第三人称单数(He),谓语动词是实义动词(has)的肯定句变否定句,需用助动词does帮助构成否定,并在does后加not,同时has要还原为动词原形have。
学生常见错误提醒:直接在has后加not,写成“He has not English and Maths...” 或忘记将has还原为have,写成“He doesn't has...”。
3. 参考答案:You must not turn left here.
解析:含有情态动词must的肯定句变否定句,直接在must后加not。
学生常见错误提醒:写成“You don't must turn left here.” 或 “You mustn't to turn left here.”。
4. 参考答案:问句:Is the cat behind the door?
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the cat用it来指代回答。
学生常见错误提醒:写成“The cat is behind the door?” 或答语“Yes, the cat is.”。
5. 参考答案:问句:Is today Friday?
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today用it来指代回答。
学生常见错误提醒:写成“Today is Friday?” 或答语“Yes, today is.”。
6. 参考答案:问句:Are they in Chengdu?
肯定答:Yes, they 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they回答时用they。
学生常见错误提醒:写成“They are in Chengdu?” 或答语“Yes, they is.”。
7. 参考答案:问句:Does she help students in the school?
肯定答:Yes, she does.
解析:主语是第三人称单数(she),谓语动词是实义动词(helps)的肯定句变一般疑问句,需用助动词does帮助构成疑问句,并将helps还原为动词原形help。
学生常见错误提醒:忘记将helps还原为help,写成“Does she helps students...?” 或答语用is回答。
8. 参考答案:Where are your glasses?
解析:对地点(on your head)提问,用疑问词Where。句子是be动词are,疑问句中are提前。
学生常见错误提醒:用What提问,或将on提前。
9. 参考答案:How many classes do you have this morning?
解析:对数量(six)提问,用疑问词How many。主语是第一人称(We),谓语动词是实义动词(have),疑问句中用助动词do。
学生常见错误提醒:用What提问,或忘记加助动词do(如:How many classes you have?)。
10. 参考答案:What's Emma's favourite season?
解析:对事物(summer)提问,用疑问词What。句子是be动词is,疑问句中is提前。
学生常见错误提醒:用Which提问,或将summer提前。
11. 参考答案:What does that sign mean?
解析:对内容(“Stop”)提问,用疑问词What。主语是第三人称单数(that sign),谓语动词是实义动词(means),疑问句中用助动词does,并将means还原为mean。
学生常见错误提醒:用How提问,或忘记将means还原为mean(如:What does that sign means?)。
12. 参考答案:What is Noah doing?
解析:对正在进行的动作(cleaning the window)提问,用疑问词What。现在进行时疑问句中be动词(is)提前。
学生常见错误提醒:用How提问,或将cleaning拆开。
13. 参考答案:What can you see in the park?
解析:对事物(a river)提问,用疑问词What。情态动词can提前。
学生常见错误提醒:用Where提问,或写成“What you can see...?”语序错误。
14. 参考答案:The books are on the chairs.
解析:单数变复数,The book → The books,is → are,the chair → the chairs。
学生常见错误提醒:忘记改变be动词,或名词复数形式错误。
15. 参考答案:They are good students.
解析:单数变复数,He → They,is → are,a good student → good students。
学生常见错误提醒:忘记改变be动词和主语的人称,或名词复数形式错误。
16. 参考答案:What do those signs mean?
解析:单数变复数,that → those,does → do,sign → signs,mean保持不变。
学生常见错误提醒:忘记改变助动词和主语的人称,或名词复数形式错误。
17. 参考答案:问句:Is there a lake in the park?
否定答:No, there isn't.
解析:There be句型的肯定句变一般疑问句,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,或将a lake提前。
18. 参考答案:问句:Does Wang Jun like winter?
否定答:No, he doesn't.
解析:主语是第三人称单数(Wang Jun),谓语动词是实义动词(likes)的肯定句变一般疑问句,需用助动词does帮助构成疑问句,并将likes还原为动词原形like。Wang Jun是男性,回答时代词用he。
学生常见错误提醒:忘记将likes还原为like(如:Does Wang Jun likes winter?),或答语用isn't。
19. 参考答案:问句:Is Lucas reading a book?
否定答:No, he isn't.
解析:现在进行时(is + doing)的肯定句变一般疑问句,将be动词(is)提前至句首。Lucas是男性,回答时代词用he。
学生常见错误提醒:忘记将be动词提前,或将reading拆开。
20. 参考答案:问句:Can they see mountains?
否定答:No, they can't.
解析:含有情态动词can的肯定句变一般疑问句,将can提前至句首。
学生常见错误提醒:忘记将can提前,或将see提前。
21. 参考答案:问句:Must we cross the road here?
否定答:No, we needn't. / No, we don't have to.
解析:含有情态动词must的肯定句变一般疑问句,将must提前至句首。否定回答可用needn't或don't have to。
学生常见错误提醒:用No, we mustn't回答,意思变成“禁止”,不符合原句语境。
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