clean the windows now改为否定句

clean the windows now改为否定句 Don‘t clean the windows now 改为肯定句 lets clean the room now.改为否定句 Let's clean the room now.改为否定句 Now the dishes clean .(改为否定句） Open the windows怎样改为否定句 go and clean the windows.怎么改否定句? clean the desk,piease(改为否定句) I clean the room改为否定句 We should clean our classroom now.(改为否定句) Close the windows ,piease.(改为否定句） You have to clean the classroom right now.(否定句)