0 short form of is not: --
He isn't coming until tomorrow.
1 contraction of is not: --
He isn’t coming until tomorrow.
Leave daddy's camera alone - it isn't a toy!
It's rather cold today, isn't it?
He's getting old and his hearing isn't very good.
"Is there any more soup?" "No, I'm afraid there isn't any left."
It isn't easy being a parent.
NIEUWE WOORDEN
European
May 10, 2021
WOORD VAN DE DAG
Shimmer
isn't