We've been to the moon.(改为否定句)

we hare been to the Great Wall.改为否定句? I want to visit the moon someday改为否定句 改为疑问句和否定句.l will fly rockets to the moon We want to join the English club.改为否定句 we have to clean the classroom改为否定句 we took a taxi to the hotel,改为否定句 The bird can fly to the moon.变否定句 改写句子The store sells clothes(改为否定句） We have some hats at a ve Both of them have been to the Great Wall.(改为否定句） She has already been to the Space Museum.(改为否定句) each of them has been to the Great Wall.改为完全否定句 Both the mother and daughter have been to Tonghua..还有改为否定句