He undergoes a health checkup periodically.

He regularly sees a doctor because of his chronic disease.

After listening to her story, I cried in sympathy.

He decided to start his own business, waiting for the right opportunity.

He decided to watch the stars all night long.

I had my friend get my forgotten item for me.

My father is a doctor.

After listening to her story, I cried in sympathy.

He participated in his friend's funeral.

My eye hurts, so I might have a stye.