英语语法专项练习 句子专项训练3一、 把下列单数句改为复数句。1. That tree is in front of my house.Those trees are in front of my house.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。thatthose，treetrees，isare2. There is a book on the desk.There are some books on the desk.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。isare，asome，bookbooks3. There is a woman near the house.There are some women near the house.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。isare，asome，womanwomen4. Im a student.We are students.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。Iwe，amare ，studentstudents5. She is a doctor.They are doctors.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。shethey ，isare， doctordoctors.6. There is a picture on the wall.There are some pictures on the wall.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。isare，asome，picturepictures7. Is there a baby in the room?Are there any babies in the room?答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。isare,aany,babybabies8. He has a Chinese friend.They have some Chinese friends.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。hethey,hashave,asome,friendfriends9. Is there an apple on the tree?Are there any apples on the tree?答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。isare,anany,appleapples10. I have a pen.We have some pens.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。Iwe,asome,penpens11. My English teacher has a dress.Our English teachers have some dresses.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。myour,teacherteachers,hashave,asome12. There is a pencil-box in the bag.There are some pencil-boxes in the bag.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。isare,asome, pencil-boxpencil-boxes13. There is a dog in my bedroom.There are some dogs in my bedroom.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。is are,asome,dogdogs14. Is there a letter for me?Are there any letters for me?答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。isare,aany(因为是在疑问句中),letterletters15. This car is Toms.These cars are Toms.答案解析：单数句改为复数句，主要是将主语和谓语等对应改为复数就可以了。thisthese,carcars,isare