He is looking outside from the window now.

You, what are you doing?

That person is my friend.

They (referring to women or girls) are my best friends.

It is important for each person to fulfill their role.

I didn't think he would come.

Transitive verbs require an object that is directly moved by the subject.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.