句型转换(专项训练)-2025-2026学年科普版英语三年级下册

2026-05-05
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2026科普版三年级下册句型转换专项练习(期末复习) 第一部分:分层练习 一、(肯定句 → 否定句) 1. ★ It is a tall giraffe. ________________________ 2. ★★ The robot is on the desk. ________________________ 3. ★★★ I have a new toy car. ________________________ 二、(改为一般疑问句,并作肯定回答) 4. ★ It is a small monkey. ________________________ ________________________ 5. ★★ The ball is under the chair. ________________________ ________________________ 6. ★★ She has a beautiful doll. ________________________ ________________________ 7. ★★ Emma can jump high. ________________________ ________________________ 三、(对划线部分提问) 8. ★ This is my new cap. ________________________ 9. ★★ Wang Jun is in the classroom. ________________________ 10. ★★ My T-shirt is red. ________________________ 11. ★★ I have three gifts. ________________________ 12. ★★ Liu Yi’s mother is a teacher. ________________________ 13. ★★ The bananas are on the table. ________________________ 四、(单数句变复数句) 14. ★ It is a tiger. ________________________ 15. ★★ This is a box. ________________________ 16. ★★ The child has a toy bus. ________________________ 五、(改为一般疑问句,并作否定回答) 17. ★ You are a student. ________________________ ________________________ 18. ★★ He has a big bag. ________________________ ________________________ 19. ★★ There is a map on the wall. ________________________ ________________________ 20. ★★ They are playing games. ________________________ ________________________ 21. ★★ Noah likes vegetables. ________________________ ________________________ 解析与学生常见错误提醒 1. 参考答案:It is not a tall giraffe. / It isn’t a tall giraffe. 解析:含有 be 动词(is)的肯定句变否定句,在 be 动词后直接加 not。 学生常见错误提醒:写成“It not is a tall giraffe.”(语序错误)或“It is no a tall giraffe.”(混淆 not 和 no)。 2. 参考答案:The robot is not on the desk. / The robot isn’t on the desk. 解析:主语是单数名词“The robot”,be 动词用 is,变否定句直接在 is 后加 not。 学生常见错误提醒:写成“The robot not on the desk.”(漏掉 be 动词)或“The robot are not on the desk.”(be 动词使用错误)。 3. 参考答案:I do not have a new toy car. / I don’t have a new toy car. 解析:实义动词“have”表示“有”的否定句,需借助助动词 do 构成 do not have。 学生常见错误提醒:写成“I have not a new toy car.”(受汉语思维影响)或“I not have a new toy car.”(未用助动词)。 4. 参考答案:问句:Is it a small monkey? 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。 学生常见错误提醒:写成“It is a small monkey?”(语序未变)或“Does it is a small monkey?”(混淆助动词)。 5. 参考答案:问句:Is the ball under the chair? 肯定答:Yes, it is. 解析:方位介词短语“under the chair”作表语,变疑问句时将 be 动词 is 提前。 学生常见错误提醒:写成“The ball is under the chair?”(语序错误)或“Is the ball under chair?”(漏掉 the)。 6. 参考答案:问句:Does she have a beautiful doll? 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“has”,变疑问句需用助动词 does 提问,并将 has 还原为 have。 学生常见错误提醒:写成“Is she have a beautiful doll?”(误用 be 动词)或“Does she has a beautiful doll?”(动词未还原)。 7. 参考答案:问句:Can Emma jump high? 肯定答:Yes, she can. 解析:含有情态动词“can”的句子,变疑问句直接将 can 提到句首。 学生常见错误提醒:写成“Does Emma can jump high?”(误加助动词)或“Can Emma jumps high?”(动词未用原形)。 8. 参考答案:What is this? 解析:对物品“my new cap”提问,用疑问词 What。This is... 变疑问句时,将 is 提到 this 前。 学生常见错误提醒:写成“What this is?”(语序错误)或“What are this?”(主谓不一致)。 9. 参考答案:Where is Wang Jun? 解析:对地点“in the classroom”提问,用疑问词 Where。主语是单数,be 动词用 is。 学生常见错误提醒:写成“Where Wang Jun is?”(语序错误)或“Where are Wang Jun?”(be 动词错误)。 10. 参考答案:What colour is your T-shirt? / What color is your T-shirt? 解析:对颜色“red”提问,用 What colour。My 变为 your。 学生常见错误提醒:写成“What colour your T-shirt is?”(语序错误)或“What is colour your T-shirt?”(词序混乱)。 11. 参考答案:How many gifts do you have? 解析:对可数名词数量“three”提问,用 How many。主语 I 变为 you,需借助助动词 do 提问。 学生常见错误提醒:写成“How many gifts you have?”(缺助动词)或“How many gift do you have?”(gift 未用复数)。 12. 参考答案:What is Liu Yi’s mother? / What does Liu Yi’s mother do? 解析:对职业“a teacher”提问,常用 What is...? 或 What does... do?。 学生常见错误提醒:写成“What job is Liu Yi’s mother?”(表达不地道)或“Who is Liu Yi’s mother?”(混淆 who 和 what)。 13. 参考答案:Where are the bananas? 解析:对地点“on the table”提问,用 Where。主语“The bananas”是复数,be 动词用 are。 学生常见错误提醒:写成“Where is the bananas?”(主谓不一致)或“Where the bananas are?”(语序错误)。 14. 参考答案:They are tigers. 解析:单数句变复数句,It 变为 They,is 变为 are,a tiger 变为 tigers。 学生常见错误提醒:写成“They are tiger.”(名词未变复数)或“It are tigers.”(主语未变)。 15. 参考答案:These are boxes. 解析:This 变为 These,is 变为 are,a box 变为 boxes(以 x 结尾,加 es)。 学生常见错误提醒:写成“These are box.”(名词未变复数)或“This are boxes.”(主语未变)。 16. 参考答案:The children have toy buses. 解析:The child 变为 The children(不规则变化),has 变为 have,a toy bus 变为 toy buses(以 s 结尾,加 es)。 学生常见错误提醒:写成“The childs have toy bus.”(child 和 bus 的复数形式错误)或“The children has toy buses.”(动词未变)。 17. 参考答案:问句:Are you a student? 否定答:No, I am not. 解析:含有 be 动词(are)的肯定句变一般疑问句,将 are 提到句首。否定回答用 am not。 学生常见错误提醒:写成“You are a student?”(语序未变)或回答“No, I’m not.”(书写时易漏掉 am not 的完整形式)。 18. 参考答案:问句:Does he have a big bag? 否定答:No, he doesn’t. 解析:第三人称单数 has 变疑问句需用助动词 does,动词还原为 have。 学生常见错误提醒:写成“Is he have a big bag?”(误用 be 动词)或“Does he has a big bag?”(动词未还原)。 19. 参考答案:问句:Is there a map on the wall? 否定答:No, there isn’t. 解析:There be 句型变疑问句,将 be 动词 is 提到 there 前面。 学生常见错误提醒:写成“Does there have a map on the wall?”(受汉语“有”影响)或“Are there a map on the wall?”(be 动词与主语不一致)。 20. 参考答案:问句:Are they playing games? 否定答:No, they aren’t. 解析:现在进行时变疑问句,将 be 动词 are 提到句首。 学生常见错误提醒:写成“Do they playing games?”(误用助动词 do)或“Is they playing games?”(be 动词错误)。 21. 参考答案:问句:Does Noah like vegetables? 否定答:No, he doesn’t. 解析:主语是第三人称单数“Noah”,谓语动词 likes 变疑问句需用助动词 does,并将 likes 还原为 like。 学生常见错误提醒:写成“Is Noah like vegetables?”(误用 be 动词)或“Does Noah likes vegetables?”(动词未还原)。 (内容由AI生成,仅供参考) 学科网(北京)股份有限公司 $

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句型转换(专项训练)-2025-2026学年科普版英语三年级下册
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