Unit 4 School things（易错题专项训练·语法提升）英语鲁科版五四制三年级上册（新教材）

Unit 4 School things 专题02 语法提升·易错题专项训练 · 内容导航 · 1.一般疑问句 "Is this / that ...?" 及其回答 2.祈使句的用法 3.特殊疑问句 "What's this / that?" 及其回答 4.be动词（am / is / are）的用法 5.综合练习 高频易错点、易错点提示、小练笔、答题点拨 易错精讲 一般疑问句 "Is this / that ...?" 及其回答高频易错点01 Is this / that ...? 是一般疑问句，用来询问"这是/那是……吗？"，回答时要用 Yes 或 No。 肯定回答：Yes, it is. 例如：—Is this your pen? —Yes, it is. 否定回答：No, it isn't. （isn't = is not） 例如：—Is that a book? —No, it isn't. It's a pencil-case. 易错点提示 很多同学在回答时用 Yes, this is. 或 No, that isn't. 这是错误的。 在回答 Is this / that ...? 时，主语要用 it 来代替 this / that。 ✅ —Is this your eraser? —Yes, it is. ❌ —Is this your eraser? —Yes, this is. 小练笔 01 一、单项选择。 ( ) 1. —Is this your ruler? —______ A. Yes, it is. B. Yes, this is. C. No, it no. ( ) 2. —Is that a schoolbag? —______ A. No, it isn't. B. No, that isn't. C. Yes, it's. ( ) 3. —Is this an eraser? —______ A. Yes, it's. B. Yes, it is. C. No, it is. ( ) 4. —Is that your pen? —______ A. No, it isn't. It's my pencil. B. No, that isn't. C. Yes, this is. ( ) 5. —Is this your book? —______ A. Yes, it is. B. Yes, it's. C. No, it no. 二、用 Yes, it is. 或 No, it isn't. 补全答语。 6.—Is this your pencil-case? —_________________ (肯定) 7.—Is that a ruler? —_________________ (否定，它是铅笔) 8.—Is this your schoolbag? —_________________ (肯定) 答题点拨 一、1. A 2. A 3. B 4. A 5. A 二、6. Yes, it is. 7. No, it isn't. It's a pencil. 8. Yes, it is. 解析： 1.肯定回答用 Yes, it is。 2.否定回答用 No, it isn't。 3.肯定回答不能缩写，选 Yes, it is。 4.否定回答用 No, it isn't，并补充正确物品。 5.肯定回答必须完整写 it is。 6～8. 答语一律用 it 作主语。 祈使句的用法高频易错点02 祈使句用来表达命令、请求、建议等，通常以动词原形开头。 1.Put + 物品 + 地点：表示"把……放在……"。 例如：Put your book in the schoolbag. Put your ruler on the desk. 2.Tidy + 物品 / 场所：表示"整理……"。 例如：Tidy your room, please. Tidy your pencil-case. 3.Show + 人 + 物品：表示"给……看……"。 例如：Show me your pen. Show your pen to me. 易错点提示 1.容易忘记用动词原形，误加 -s 或误用其他形式。 ❌ Puts it in your bag. ✅ Put it in your bag. 2.容易混淆 put 和 tidy 的含义。 ❌ Put your desk, please.（整理书桌用tidy） ✅ Tidy your desk, please. 3.show 的用法容易出错，注意"给某人看某物"是 show + 人 + 物。 小练笔 02 一、用 put / tidy / show 的适当形式填空。 1.______ your book in the schoolbag, please. 2.______ me your new eraser. 3.Please ______ your pencil-case. It's messy. 4.______ your ruler on the desk. 5.Can you ______ your schoolbag to me? 6.______ your classroom every day. 二、单项选择。 ( ) 7. ______ your pen in the pencil-case. A. Put B. Puts C. Putting ( ) 8. ______ your room, please. A. Put B. Tidy C. Show ( ) 9. ______ me your pencil. A. Put B. Tidy C. Show ( ) 10. Please ______ your crayons in the bag. A. tidy B. show C. put 答题点拨 答案： 一、1. Put 2. Show 3. tidy 4. Put 5. show 6. Tidy 二、7. A 8. B 9. C 10. C 解析： 1～6. 祈使句均用动词原形；注意含义：放→put，整理→tidy，给…看→show，同时注意首字母大写。 7.祈使句动词原形，选 Put。 8.“整理房间”用 Tidy。 9.“给我看”用 Show。 10.“放进包里”用 put。 特殊疑问句 "What's this / that?" 及其回答高频易错点03 What's this / that? 是特殊疑问句，用来询问"这/那是什么？" 1.What's this? 问离说话人近的物品。(这是什么？) 回答：It's ... 例如：—What's this? —It's an eraser. 2.What's that? 问离说话人远的物品。(那是什么？) 回答：It's ... 例如：—What's that? —It's a schoolbag. 易错点提示 1.回答时不要漏掉 It's。 ❌ —What's this? —A pen. ✅ —What's this? —It's a pen. 2.What's 是 What is 的缩写，不要写成 Whats。 3.不要把 What's 和 Who's（是谁）混淆。 小练笔 03 一、单项选择。 ( ) 1. —______ this? —It's a pencil. A. What's B. Who's C. How's ( ) 2. —What's that? —______ my schoolbag. A. That's B. It's C. This is ( ) 3. —______ that boy? —He's my friend. A. What's B. Who's C. How's ( ) 4. —What's this? —______ eraser. A. It's an B. It's a C. This is an 二、连词成句。 5.this, What, is (?) _________________________________ 6.is, schoolbag, It, my (.) _________________________________ 答题点拨 答案： 一、1. A 2. B 3. B 4. A 二、5. What is this? 6. It is my schoolbag. 解析： 1.问物用 What's。 2.回答用 It's。 3.问人用 Who's。 4.eraser 以元音音素开头，用 an。 5.特殊疑问句语序：What + is + this? 6.陈述句语序：It + is + my schoolbag. be动词（am / is / are）的用法高频易错点04 主语 be动词 例句 I am I am a student. He / She / It / 单数名词 / this / that is He is my friend. This is my pen. You / We / They / 复数名词 are You are my friend. be动词（am / is / are）是英语中最基础的动词，意思是"是"，要跟主语匹配。 记忆口诀： I 用am, You 用are, Is 跟着他（he）她（she）它（it）, 单数名词用is, 复数名词全用are。 易错点提示 1.I 后面必须用 am，不能用 is 或 are。 ❌ I is a student. ✅ I am a student. 2.This / That 后面用 is。 ❌ This are my pen. ✅ This is my pen. 3.You 后面用 are，不管是"你"还是"你们"。 ❌ You is my friend. ✅ You are my friend. 小练笔 04 一、用 am / is / are 填空。 1.I ______ a student. 2.This ______ my schoolbag. 3.You ______ my good friend. 4.These(这些) ______ my pencils. 5.She ______ my sister. 二、单项选择。 ( ) 6. I ______ in Class 3. A. am B. is C. are ( ) 7. That ______ an old book. A. am B. is C. are ( ) 8. We ______ good friends. A. am B. is C. are 答题点拨 一、1. am 2. is 3. are 4. are 5. is 二、6. A 7. B 8. C 解析： 1.I 用 am。 2.this 单数用 is。 3.you 用 are。 4.these 复数用 are。 5.she 单数用 is。 6.I 用 am。 7.that 单数用 is。 8.we 复数用 are。 综合训练 一、单项选择 ( ) 1. —Is this your pen? —______ A. Yes, it is. B. Yes, this is. C. No, it no. ( ) 2. —Is that a ruler? —______ A. Yes, it isn't. B. No, it isn't. C. No, it is. ( ) 3. —______ this? —It's a pencil-case. A. What's B. Who's C. How's ( ) 4. —What's that? —______ my schoolbag. A. That's B. It's C. This is ( ) 5. ______ your book in the bag, please. A. Put B. Puts C. Putting ( ) 6. ______ me your eraser. A. Put B. Tidy C. Show ( ) 7. ______ your desk, please. A. Put B. Tidy C. Show ( ) 8. I ______ a student. A. am B. is C. are ( ) 9. This ______ my friend. A. am B. is C. are ( ) 10. You ______ my good friend. A. am B. is C. are ( ) 11. —Is this an eraser? —______ A. Yes, it's. B. Yes, it is. C. No, it is. ( ) 12. —Is that your schoolbag? —______ A. Yes, that is. B. No, it isn't. C. No, that isn't. ( ) 13. Please ______ your pencil in the pencil-case. A. put B. tidy C. show ( ) 14. ______ your classroom. It's messy. A. Put B. Tidy C. Show ( ) 15. ______ that girl? She is my sister. A. What's B. Who's C. How's ( ) 16. That ______ my new book. A. am B. is C. are ( ) 17. We ______ good friends. A. am B. is C. are ( ) 18. —What's this? —______ a pencil. A. It B. It's C. Its ( ) 19. ______ your ruler to me, please. A. Put B. Tidy C. Show ( ) 20. —Is that a book? —______ It's a pencil-case. A. Yes, it is. B. No, it isn't. C. Yes, it isn't. 二、词汇填空（用所给词的正确形式填空） 1.This is ______ (I) new pencil. 2.______ (she) is my sister. 3.______ (he) name is Tom. 4.______ (you) bag is new. 5.I have ______ (a) eraser. 6.______ (we) are good friends. 7.______ (put) your book in the bag, please. 8.______ (tidy) your desk every day. 9.______ (show) me your ruler. 10.This is ______ (he) friend, Jack. 11.______ (I) am a student. 12.That ______ (be) an old book. 13.You ______ (be) my friend. 14.______ (she) name is Lucy. 15.Please ______ (put) your crayon in the pencil-case. 三、连词成句 1.is, this, pen, your (?) _________________________________ 2.in, bag, Put, your, it (.) _________________________________ 3.this, What, is (?) _________________________________ 4.me, your, Show, ruler (.) _________________________________ 5.is, my, It, schoolbag (.) _________________________________ 四、补全对话（从方框中选择合适的句子，填序号） Li Ming: Hello, Wang Hong! (1) ______ Wang Hong: It's my new pen. Li Ming: (2) ______ Wang Hong: No, it isn't. It's my ruler. Li Ming: (3) ______ Wang Hong: Here you are. Li Ming: Is this your pencil? Wang Hong: (4) ______ My pencil is in my schoolbag. Li Ming: (5) ______ Wang Hong: Yes, it is.A. What's this? B. Is that your pencil? C. Show me your eraser, please. D. Yes, it is. E. No, it isn't. 五、阅读短文，判断正(T)误(F)。 Hello! I'm Li Ming. This is my new schoolbag. It's blue. I have a pen, a pencil, a ruler and an eraser. This is my pencil-case. I put my pens and pencils in it. What's that? It's my book. It's on the desk. Is that my ruler? No, it isn't. That's Wang Hong's ruler. My ruler is in my schoolbag. ( ) 1. Li Ming has a new schoolbag. ( ) 2. Li Ming's schoolbag is red. ( ) 3. Li Ming puts his pens and pencils in his pencil-case. ( ) 4. Li Ming's book is on the desk. ( ) 5. That ruler is Li Ming's ruler. 参考答案 综合训练 一、单项选择 1. A 2. B 3. A 4. B 5. A 6. C 7. B 8. A 9. B 10. C 11. B 12. B 13. A 14. B 15. B 16. B 17. C 18. B 19. C 20. B 二、词汇填空 1.my 2. She 3. His 4. Your 5. an 6.We 7. Put 8. Tidy 9. Show 10. his 11.I 12. is 13. are 14. Her 15. put 三、连词成句 1.Is this your pen? 2.Put it in your bag. 3.What is this? 4.Show me your ruler. 5.It is my schoolbag. 四、补全对话 1.A 2. B 3. C 4. E 5. D 五、阅读短文 1. T 2. F 3. T 4. T 5. F 第 1 页 共 18 页 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $