He was late, but it's not a big deal.

How about trying a new restaurant?

I don't know if he will come.

He is learning how to use gerunds.

He continued hard labour all day long.

I perform work every day.

His behavior is flexible like an adjectival noun.

This machine is driven by electricity.

This earthquake caused a large motional disturbance.

He was emotionally disturbed when he heard the news.