Sentence examples for always but from inspiring English sources

"always but" is not a correct and usable phrase in written English.
It is possible that you may have intended to use "always, but" or "always, however," which are both grammatically correct. These phrases are typically used to introduce a contrasting idea or exception to a statement. For example: "She is always punctual, but today she was late due to traffic." or "I always eat breakfast, however, I skipped it this morning because I was in a rush."