The wind and the trees is fine in context - the question would be, how do you want to apply them? The wind BLEW through the trees. vs. The wind BLOWS through the trees. Apply verbs that will provide the context and tense you need.
in the wind
in the wind
in the wind
in the wind
"in the wind" is the prepositional phrase.
In the wind is the prepositional phrase.
The wind danced through the trees, whispering secrets as it passed by.
This sentence has a compound subject, rain and wind. A compound sentence has two independent clauses (each have a subject and a verb). An example of a compound sentence would be "The rain caused major flooding, and the heavy wind damaged buildings and trees."
The sentence "trees were being blown over by the wind" is in passive voice because the subject (trees) is receiving the action (being blown over) rather than performing the action.
The strong wind broke off the trees bough.
The adjacent trees protected the house from the wind.
alliteration