You know ,it will do me a lot of good if I have a good studying conditions.这句话对吗?

题目

You know ,it will do me a lot of good if I have a good studying conditions.这句话对吗?
a good studying conditions可以这样说吗?为什么condition用复数?

答案

不对,把conditions的s去掉
不可以,a要接单数名词,在这里condition不可以是复数
复数是错误的