Unit 1～4单元核心语法专项精练（专项训练）-2025-2026学年译林版（三起）英语三年级下册

译林版三年级下册英语Unit 1~4单元核心语法专项精练 单元主题：Unit 1 School things（学习用品）Unit 2 Clean our classroom（打扫我们的教室） Unit 3 School rules（校规）Unit 4 Have fun after class（课后乐趣） 一、用 be 动词 am / is / are 填空（必考语法点） 1. I ______ a pupil. 2. This ______ my new pencil. 3. ______ you Mike? 4. It ______ a nice rubber. 5. These ______ my schoolbags. 6. We ______ in the classroom. 7. She ______ my deskmate. 8. The blackboard ______ clean. 9. They ______ my new rulers. 10. That ______ a big desk. 二、单项选择 ( ) 1. This ______ my pen. A. is B. are C. am ( ) 2. Is this ______ ruler? A. you B. your C. I ( ) 3. Let’s ______ the classroom. A. clean B. cleans C. cleaning ( ) 4. Don’t ______ late for school. A. is B. are C. be ( ) 5. Please ______ quiet in class. A. keep B. keeps C. keeping ( ) 6. These ______ my books. A. is B. are C. am ( ) 7. ______ schoolbag is blue. A. My B. I C. Me ( ) 8. Don’t ______ in the library. A. talk B. talks C. talking ( ) 9. Let’s ______ games after class. A. play B. plays C. playing ( ) 10. That ______ a new desk. A. am B. is C. are ( ) 11. —______ this your pencil? —Yes, it is. A. Am B. Is C. Are ( ) 12. ______ run in the classroom. A. Not B. No C. Don’t 三、用所给词的适当形式填空（语法变形专项） 1. This is a ______ (pencil). 2. Those are three ______ (ruler). 3. I have two ______ (schoolbag). 4. These are my ______ (book). 5. Let’s ______ (clean) the window. 6. Don’t ______ (talk) in class. 7. Please ______ (open) the door. 8. They are ______ (I) new pens. 四、句型转换（核心语法句型专项） 1. This is my pencil.（改为一般疑问句） ______ this ______ pencil? 2. Don’t run in the classroom.（改为同义句） ______ running in the classroom. 3. I am a student.（改为否定句） I ______ ______ a student. 4. These are my books.（改为一般疑问句） ______ these ______ books? 五、判断句子正(T)误(F)（语法纠错） ( ) 1. This is my rubber. ( ) 2. Is this you book? ( ) 3. Don’t run in class. ( ) 4. Let’s cleans the door. ( ) 5. These are my rulers. ( ) 6. Please close the window. ( ) 7. My schoolbag is on the desk. ( ) 8. Don’t be late for school. 六、连词成句（写完整句子，考语法语序+书写） 1. my, is, pencil, This ______________________________________________________ 2. Please, the, close, door ______________________________________________________ 3. late, Don’t, school, for, be ______________________________________________________ 4. play, after, Let’s, class ______________________________________________________ 参考答案 一、1. am 2. is 3. Are 4. is 5. are 6. are 7. is 8. is 9. are 10. is 二、1.A 2.B 3.A 4.C 5.A 6.B 7.A 8.A 9.A 10.B 11.B 12.C 三、1. pencil 2. rulers 3. schoolbags 4. books 5. clean 6. talk 7. open 8. my 四、1. Is; your 2. No 3. am not 4. Are; your 五、1. T 2. F 3. T 4. F 5. T 6. T 7. T 8. T 六、1. This is my pencil. 2. Please close the door. 3. Don’t be late for school. 4. Let’s play after class. 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $