Answer:

1. I would rather go to Bicol instead of Marinduque.
2. In spite of the rains, we pushed through with the practice
3. In case of earthquake, dont use the elevator to escape.
4. She spoke on behalf of her family.
5. We listened to her complaint to be objective about her concern.
6. The students experienced an exciting trip to the forest.
7. She didnt allow her sister to attend the party.
8. Mother allowed her to go but on many conditions.
9. We are very impressed with her painting.
10. The visitors congratulated her for a superb performance.

Explanation:

A prepositional phrase is a group of words consisting of a preposition, its object, and any words that modify the object. Most of the time, a prepositional phrase modifies a verb or a noun. These two kinds of prepositional phrases are called adverbial phrases and adjectival phrases, respectively.