Translation:The fourth beer was bad.
Das vierte Bier was eine schlechte Idee!
When would we use 'was' rather than 'war'?
Isnt spoilt is also correct?
If you are in the U.K., then spoilt works; but in the U.S. we would say "spoiled.""
In the UK we drink so much beer that none of it has the time to go bad