Unit 2 Clean our classroom“be”动词的用法练习（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 Unit 2 Clean our classroom专项练习 “be”动词的用法 一、用 am, is, are 填空 1. I ______ sorry. ______ you late? No, I ______ not. 2. This ______ our classroom. 3. It ______ very clean. 4. My desk ______ tidy. 5. The chair ______ new. 6. The window ______ open. 7. The blackboard ______ on the wall. 8. The floor ______ clean. 9. ______ this your desk? 10. ______ that your chair? 11. ______ these your books? 12. Where ______ the blackboard? 13. They ______ good students. 14. We ______ in the classroom. 15. You ______ right. 16. The desks ______ clean. 17. The door ______ closed. 18. This ______ not my chair. 19. Here ______ our classroom. 20. How ______ your classroom? 21. There ______ a blackboard in the room. 22. There ______ many desks. 23. There ______ some chairs. 24. ______ there a window? 25. ______ there any desks? 26. The classroom ______ not dirty. 27. I ______ in Grade 3. 28. She ______ in the classroom. 29. He ______ my deskmate. 30. They ______ cleaning the room. 二、用适当的 be 动词填空 1. I ______ a pupil. 2. She ______ in the classroom. 3. We ______ cleaning the room. 4. This ______ my desk. 5. These ______ my chairs. 6. The window ______ clean. 7. The desks ______ tidy. 8. You ______ a good student. 9. It ______ a nice classroom. 10. They ______ my classmates. 三、句型转换 1. This is my desk. 否定句：________________________ 一般疑问句：________________________ 2. These are chairs. 否定句：________________________ 一般疑问句：________________________ 3. It is a clean classroom. 否定句：________________________ 一般疑问句：________________________ 4. I am in the classroom. 否定句：________________________ 一般疑问句：________________________ 5. She is tidy. 否定句：________________________ 一般疑问句：________________________ 6. The window is clean. 否定句：________________________ 一般疑问句：________________________ 7. They are in the room. 否定句：________________________ 一般疑问句：________________________ 8. We are good students. 否定句：________________________ 一般疑问句：________________________ 9. That is my chair. 否定句：________________________ 一般疑问句：________________________ 10. The floor is clean. 否定句：________________________ 一般疑问句：________________________ 四、从方框中选择合适的词填空 1. — Where ______ my desk? — It ______ here. 2. — What ______ this? — It ______ a chair. 3. — ______ this your classroom? — Yes, it ______. 4. — ______ these your desks? — No, they ______. 5. — How ______ you? — I ______ fine. 6. — ______ the window clean? — Yes, it ______. 7. — Where ______ the chairs? — They ______ in the classroom. 8. — ______ there a blackboard? — Yes, there ______. 9. — ______ there any desks? — Yes, there ______. 10. I ______ in the classroom. 参考答案 一、1.am Are am 2.is 3.is 4.is 5.is 6.is 7.is 8.is 9.Is 10.Is 11.Are 12.is 13.are 14.are 15.are 16.are 17.is 18.is 19.is 20.is 21.is 22.are 23.are 24.Is 25.Are 26.is 27.am 28.is 29.is 30.are 二、1.am 2.is 3.are 4.is 5.are 6.is 7.are 8.are 9.is 10.are 三、1.This isn't my desk. Is this your desk? 2.These aren't chairs. Are these chairs? 3.It isn't a clean classroom. Is it a clean classroom? 4.I'm not in the classroom. Are you in the classroom? 5.She isn't tidy. Is she tidy? 6.The window isn't clean. Is the window clean? 7.They aren't in the room. Are they in the room? 8.We aren't good students. Are you good students? 9.That isn't my chair. Is that your chair? 10.The floor isn't clean. Is the floor clean? 四、1.is is 2.is is 3.Is is 4.Are are 5.are am 6.Is is 7.are are 8.Is is 9.Are are 10.am 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $