these are his uncle.改为否定现在就要打案
问题描述：
these are his uncle.改为否定现在就要打案
答
his uncle为单数 所以 这句话应该是 these is his uncle.
改成否定句 在be动词后面加上not就好
所以 是 these is not his uncle.唉我都写完了可悲我真不好意思【拍砖】