题目内容：

If you are thirsty,drinking some water.哪里错了
drink 是动词 放在句首是不是用改动名词啊（drinking）

优质解答

本句不对
如果if从句置前,后面主句应该完整
If you are thirsty,you should drink some water.
如果if从句置后,则可用祈使句.
(You should)/Drink some water if you are thirsty.