三年级上册英语句子专项训练 《单数句改为复数句》 1、That tree is in front of my house. 复数句:Those trees are in front of my house. 2、There is a book on the desk. 复数句:There are some books on the desk. 3、There is a woman near the house. 复数句:There are some women near the house. 4、I’m a student. 复数句:We are students. 5、She is a doctor. 复数句:They are doctors.