For hibernation, bears have a long sleep.

For hibernation, bears go into a long sleep.

I was surprised at his quick progress.

The dermatologist examined the papule that appeared on my face.

Observing the movement of the celestial sphere is a fundamental part of astronomy.

This coccus is resistant to antibiotics.

He began his courtship of her.

He was giving her flowers every day to court her.

He is supplied with a salary every month.

He learned a new skill during the fallow period.