a tiger
He likes a tiger.
Tom non credeva che fosse una tigre.
Tom didn't believe it was a tiger.
Tom è stato ucciso da una tigre.
Tom was killed by a tiger.
Avete mai visto una tigre da queste parti?
Have you ever seen a tiger around here?
This is not a tiger.
Hai mai visto una tigre da queste parti?
Have you ever seen a tiger around here?