The new voice pronounces потом as "patAm" when in the sentence, and as "pOtam" alone. The correct pronunciation is "patOm".
Yes. It is indeed pronounced па-ТОМ.
Why is "they wrote a story and later a book" wrong. Later is marked read for a reason.
Is there a difference between потом and тогда? Are they interchangeable?
Is there any reason why it can not be "they wrote the story and then the book" ?
Maybe because it's a short story, not just a story? I'm not sure.
Absolutely none. Рассказ is story.
Could it also be correct "и потом" or just "а потом" in this sentence?
I don't get it, there's is no pattern for perfective and imperfective verbs? do you just have to memorize all of them?