Mike can clean the classroom.（改为一般疑问句）

Mike can clean the classroom.（改为一般疑问句） Sarah can clean the classroom.怎么改为一般疑问句?为什么这样改? We clean the classroom on Friday afternoon.改为一般疑问句 we have to clean the classroom改为一般疑问句 He has to clean the classroom after school.（改为一般疑问句） you can clean the classroom （改为否定句祈使句） Can you help me clean the classroom?(改为祈使句） the boy called Jack has to clean the classroom改为一般疑问句 we are going to clean the classroom after school 改为否定句 一般疑问句 That is a clean classroom改为一般疑问句 we should keep the water clean(改为一般疑问句） David was in the classroom.(改为一般疑问句）