You did not include the other part of the question but with some googling i think this answer is what you were looking for:
"to the grocery store" modifies drive. Because drive is a verb, that makes "to the grocery store" an adverb phrase.
You do not have enough information for someone to answer this question. Please try to attach the graph to your question.
Milton's famous pastoral elegy is Lycidias.
The answer is Thanksgiving and United :)
