To make negative statements in the Present Perfect, use:

 

have/has + not + past participle

 

Singular	Plural
I have not (haven’t) visited You haven’t visited He/she/it hasn’t visited	We haven’t visited You haven’t visited They haven’t visited

 

Jim hasn’t phoned me yet. I’ve been waiting since morning.

I’m not ready to go. I haven’t had a shower yet.

They haven’t danced together for 2 years.