He was thinking of a catchphrase to come up with something he wanted to say.

They were having fun chatting at the party.

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

She is in charge of watching over the patients at the hospital.

I stayed at home to watch over my sick grandmother.

He excels in the ability to command English.

He made excellent use of that opportunity to fully demonstrate his abilities.

He was fulfilling his role as a governor.

This data is encoded, so special software is needed to decode it.

He created a program to encode the message.