1) Write out all known/existing prepositions. There are 40 or so.
Be resourceful and search for them! English books! Websites!
EXPLORE!!!!!
2) That worksheet that I gave you.
3) Vocab definitions and POS:
-Contemplate
-Absurd
-Perception
-Thorough
-Docile
-Partial
-Perceive
-Oppressive
-Rational
-Excessive