Adverb clause

An adverb clause is a group of words that does the same job as an adverb. It may express time, place, manner, cause, purpose, concession or another circumstance.

• Let’s have a drink before we go. (time)
• As soon as she finished work, Alice rushed off to play tennis. (time)
• Peter takes his dog wherever he goes. (place)
• Alice drives better than Peter does. (manner)
• I missed my flight because my train was late. (cause)
• If Susie gets back in time, she can go with us. (condition)