Nouns
Plants were the first living things on earth.
What is on, on earth
The policeman walked through the doorway and into the garden.
What is through, through the doorway
AND
into, into the garden
People around the world can communicate with each other through the internet.
What is around, around the world
with, with each other
through, through the internet
I looked under my bed, behind my dresser, and above my bookshelf for my missing necklace.
What is under, under my bed
behind, behind my dresser
above, above my bookshelf
for, for my missing necklace
Due to the storm, it was very difficult to walk against the wind.
What is against, against the wind