Step-by-step explanation:
- Unfortunately all the tickets for the movie were sold before we could buy any.
No, missing comma
- Unfortunately, all the tickets for the movie were sold before we could buy any.
Yes, comma placed correctly
- Unfortunately, all the tickets for the movie were sold, before we could buy any.
No, extra comma after "sold'
- Unfortunately all the tickets, for the movie were sold, before we could buy any.
No, incorrectly placed comma and extra comma