Come in March is the prepositional phrase
it is also adjective phrase
Can you at least put a picture or write some of the paragraphs that showed a bit of the grandmothers opinion about there vacation that would help me and answer that question that your stuck on.
Answer:
Because the soup was too cold, I warmed it in the microwave.
Explanation:
A compound-complex sentence is comprised of at least two independent clauses and one or more dependent clauses.