Question

the incorrectly punctuated sentence. 1.After all, these years our dog finally learned to fetch. 2. After all, we took him to obedience school five years ago. 3. After all the other dogs had learned to fetch, ours still ran off with the stick. 4. After all, he is supposed to be a retriever!

Answer 1

The first one, the comma is unnecessary.

Answer 2

1.After all these years, our dog finally learned to fetch.
2.After all we took him to obedience school,five years ago.
3 and 4 are the same