What is preposition phrase in the follow sentence: When you are seasick, you are not really sick from the sea.

Answer 1

A prepositional phrase begins with a preposition and ends with a noun or pronoun.

Here's a list of prepositions:

http://www.englishclub.com/grammar/prepositions-list.htm

What do you think the prepositional phrase is?

Answer 2

Is did you ever get seasick in a car a prepositional phrase