They were having fun chatting at the party.

I had a good time having fun talking with my friends.

They are my best friends.

He and I exchange messages every day.

They exchange opinions with each other at school every day.

Tonight, we are hosting a party at a friend's house.

We are planning to have a party at a friend's house tonight.

This party is very pleasant.

We enjoyed the picnic happily.

His face was full of happiness.