The concert is about to begin.

The ceremony was about to begin.

Oh, hi, John. We’re just about to eat dinner.

As the elevator doors were about to close, someone pushed the open button outside.

I was just about to leave when you telephoned.

I feel like I’m about to go crazy.

They’re about to get home.

Pietro, let’s go. The party is about to start.

I can’t stand this anymore, I’m about to explode.

At every step she seems to be about to stumble and fall.