Student or Learner
1- That was a good story as well as understable.
2- That was a good story as well as a understable story.
3- That was a good as well as understable story.
I have difficulty in determing which one to take. I think sentence one is OK for me. And I am not sure about the second one. The third one is bad. What do you think?
They are all overly wordy. "That story was good and understandable" or "That was a good, understandable story".
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.