There have cleaned the classroom(改为一般疑问句)

There have cleaned the classroom(改为一般疑问句) i have already cleaned the classroom 改为一般疑问句 They have cleaned the room already.改为一般疑问句 There are some teachers in the classroom.改为一般疑问句 There are some teacher in the classroom.改为一般疑问句 we have to clean the classroom改为一般疑问句 They cleaned the classroom yesterday.改成一般疑问句 There is someone in the classroom.(改为一般疑问句并作肯定回答) there is a library in front of the classroom .（改为一般疑问句并作否定回答 There were some students in the classroom just now.改为一般疑问句 there were five students in the classroom just now改为一般疑问句和否定 1.There are some boys in the classroom.改为一般疑问句