0 short form of have not: --
I haven't been to Australia.
1 contraction of have not: --
I haven’t finished eating.
Haven't you finished yet? Come on, we've really got to go.
Of course the radio isn't working - you haven't plugged it in!
You haven't answered my question.
"I've never been to the States." "I haven't either."
I haven't played tennis for years.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
haven't