I'm glad that Kian has his own laptop, so he can join our video conference.
→ That blue 7-inch Samsung tablet is his.

They copied our emojis. How shameful!
→ They copied ours. How shameful!

Telepathy in the future is one of their ambitious projects.
→ Telepathy in the future is an ambitious project of theirs.

This is her opinion on some ways of modern communication.
→ This opinion is hers on some ways of modern communication.

He is the owner of that translation agency.
→ That translation agency is his.

The purple smartphone on the table belongs to me.
→ The purple smartphone on the table is mine.

Can I borrow an external webcam of yours?
→ Can I borrow your external webcam?

Do you own the latest technology of making holograms?
→ Is the latest hologram-making technology yours?

Two of our teammates will host the group call this weekend.
→ Two teammates of ours will host the group call this weekend.

A friend of mine always uses emojis in her text messages.
→ One of my friends always uses emojis in her text messages.

Is he one of your penfriends from the tech forum?
→ Is he a penfriend of yours from the tech forum?