Find the adverb phrase and the word(s) it modifies in the sentence.
Many early cities we're built around forts.
Amany early; modifies cities
Bearly cities; modifies were built
Caround forts; modifies were built
Dwere built; modifies cities
Many early cities we're built around forts.
Amany early; modifies cities
Bearly cities; modifies were built
Caround forts; modifies were built
Dwere built; modifies cities