根据要求变换句型（英语）
问题描述：
根据要求变换句型（英语）
1.The students are cleaning the classroom.（改为一般疑问句并作肯定回答）
2.The children have lunch at home.（改为否定句）
3.The old man is sitting （on the chair）.（对括号部分提问）
4.There are some potatoes on the table.（改为单数形式）
5.Is this your pencil?(改为陈述句)
按要求改啊,知道的说一下,六一作业好多,光练习册就要写十几页,又一张试卷,还要写两个单元英语题.好多啊,这题我只写了2题,知道的说一下,别害我嘞,
答
1.Are the students cleaning the classroom?Yes,they are.2.The children don't have lunch at home.3.Where is the old man sitting?4.There is a potato on the table.5.This is my pencil.