应该勇敢
Wangzhen, will you be my husband? (这句话已经是将来时了,所以不需要加“在未来”,但如果加的话,就是下面那样子)Wangzhen, will you be my husband in the future? (如果要表示有没有可能性:你可能是......吗?就是下面)Wangzhen, is it possible for you to be my future husband?
寻梦的蒲公英
这句话应该是有前提的,等待结婚的情侣可以说;i am going to be your husband,如果是等待对方离婚的情侣,i am going to be your next husband,