Adverb

He walks his dog. -- Adv. (rarely)

We were in London. -- Adv. (last week)

She waited. -- Adv. (patiently)

My father goes fishing. -- Adv. (always)

Your bedroom is. -- Adv. (upstairs)

We don't go skiing. -- Adv. (in summer)

Cats can hear. -- Adv. (well)