Unit 2 Clean our classroom be动词语法（专项训练）-2025-2026学年译林版（三起）英语三年级下册

2026学年三年级英语下学期Unit 2 Clean our classroom （译林版） be动词语法专项训练 一、写出下列人称/名词对应的 be 动词 1. I → ______ 2. he / she / it → ______ 3. we / you / they → ______ 4. 单数名词（a window, our classroom）→ ______ 5. 复数名词（the chairs, our desks）→ ______ 6. this / that → ______ 7. these / those → ______ 8. the blackboard（单数）→ ______ 9. the windows（复数）→ ______ 10. a clean floor（单数）→ ______ 二、用 am / is / are 填空 1. I ______ in our classroom. It ______ big. 2. This ______ a window. That ______ a door. 3. You ______ my good classmate. 4. The desks and chairs ______ clean. They ______ nice. 5. ______ this your desk? Yes, it ______. 6. ______ there any chairs in the classroom? Yes, there ______. 7. The blackboard ______ clean. I like it. 8. She ______ not my teacher. She ______ my friend. 9. Look! The boys ______ cleaning the floor. 10. Our classroom ______ nice. We ______ happy here. 11. Good morning! I ______ Tom. Nice to meet you! 12. ______ you in the classroom? No, I ______ not. 13. This ______ our classroom. It ______ clean. 14. The window ______ big. The door ______ small. But they ______ nice. 15. How old ______ you? I ______ nine. 16. ______ that your chair? Yes, it ______. 17. The floor ______ clean. The blackboard ______ black. 18. I ______ sorry. Are you OK? 19. ______ these your desks? Yes, they ______. 20. Our classroom ______ clean. There ______ many chairs. 三、单项选择题 ( ) 1. —What ______ your classroom? —It ______ clean and big. A. am B. is C. are ( ) 2. I ______ a student. My desk ______ small. A. am; is B. is; are C. are; am ( ) 3. These ______ our chairs. They ______ clean. A. is; are B. are; are C. are; is ( ) 4. ______ you in our classroom? Yes, I ______. A. Are; am B. Is; am C. Are; is ( ) 5. There ______ a blackboard in the classroom. A. am B. is C. are ( ) 6. The window ______ big. It ______ clean. A. is; is B. are; is C. is; are ( ) 7. ______ those your desks? No, they ______. A. Is; isn’t B. Are; aren’t C. Are; is ( ) 8. We ______ in the classroom. It ______ clean. A. are; is B. is; are C. are; are ( ) 9. The chairs ______ nice. The floor ______ clean. A. is; are B. are; is C. are; are ( ) 10. How old ______ your friend? She ______ nine years old. A. is; is B. are; is C. is; are 四、判断句子中be动词用法是否正确，对的打“√”，错的打“×”并改正 1. She are in the classroom. ( ) ___________________ 2. I is a good student. ( ) ___________________________ 3. These is our chairs. ( ) _______________________ 4. They are good classmates. ( ) _______________________ 5. My desk am clean. ( ) ___________________________ 6. There are a window in the wall. ( ) _______________________ 7. You is my friend. ( ) ___________________________ 8. The classroom is clean. ( ) _______________________ 9. He am nine. ( ) ___________________________ 五、句型转换（按要求完成，每空一词） 1. This is a desk.（改为否定句） This ______ ______ a desk. 2. They are in the classroom.（改为一般疑问句） ______ ______ in the classroom? 3. My classroom is **clean and big**. ______ ______ your classroom? 4. These are chairs.（改为单数句） ______ ______ a chair. 5. She is my teacher. ______ ______ she? 6. It is a clean window.（改为一般疑问句并作否定回答） 一般疑问句：______ ______ a clean window? 否定回答：No, ______ ______. 7. I am nine years old.（对画线部分提问） How old ______ ______? 8. This is our classroom. ______ ______ this? 9. The window is big.（对画线部分提问） How ______ the window? 10. Those are our desks.（对画线部分提问） ______ desks ______ those? 答案 一、1.am 2.is 3.are 4.is 5.are 6.is 7.are 8.is 9.are 10.is 二、1.am; is 2.is; is 3.are 4.are; are 5.Is; is 6.Are; are 7.is 8.is; is 9.are 10.is; are 11.am 12.Are; am 13.is; is 14.is; is; are 15.are; am 16.Is; is 17.is; is 18.am 19.Are; are 20.is; are 三、1.B 2.A 3.B 4.A 5.B 6.A 7.B 8.A 9.B 10.A 四、1.× are→is 2.× is→am 3.× is→are 4.√ 5.× am→is 6.× are→is 7.× is→are 8.√ 9.× am→is 五、1.is not 2.Are they 3.How is 4.This is 5.Who is 6.Is it; it isn’t 7.are you 8.What is 9.How is 10.Whose; are 学科网（北京）股份有限公司1 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $