Answer:
Running after her dog, she lost a shoe.
Explanation:
A participial phrase consists of a participle, modifiers and complements.
Running after her dog is a participial phrase consisting of the participle running and the prepositional phrase <em>after her dog, </em>which includes the preposition <em>after,</em> the object of the preposition <em>dog</em>, and the possessive adjective <em>her</em>.
During his midnight ride Revere only made it to Lexington where he stopped to warn patriot's leaders Samuel Adams and John Hancock. Revere then set off to ride another 7 miles further to Concord but on his was he was captured by British patrol. He soon managed to escape.
The tone would be determined by the kind of people the author is writing for. A story for children is going to have a different tone than a graduate thesis even if they are on the same topic.
Hope that helps.