Question

Which of the sentences contains an adverb phrase?

My mother took the pictures on the digital camera.
You can come downstairs at midnight.
Which of the escalators go down?
They used the entrance door on the left.

Answer 1

The phrase "at midnight" describes the when the action (verb) happens, so that makes it an adverb phrase (a group of words describing a verb).

Adjectve describes a noun
Adverb describes a verb