Although it is raining ,but I want to go out对不对？

不对！
这样的错误经常有..

Although和but不能一起用
正确的：Although it is raining , I want to go out.

或者：It is raining ,but I want to go out.

第一种比较好！

错的,用了although就不用but
正确的应为Although it is raining , I want to go out.
或者 It is raining ,but I want to go out.