I have ...Aamar ache
You have ...Tomar/Aapnar/tor ache
He has...Tar ache
They have...Tader ache.
We have...Aamader ache.
Examples:
1.I have a pen.
Aamar akta kolom ache.
2.you have a new car.
Tomar akta notun garih ache.
3.you have a flower vase.
Aapnar akta fuldani aache.
4.you have a pet dog.
Tor akta posa kukur ache.
5.He/she has a ring.
Tar akta angti aache.