Free preposition worksheets to help your students in English. Prepositions are those small parts of sentences that are often forgotten, but are so valuable. They give important detail to sentences. As a teacher, I try to teach my students the definition of prepositions early on in the year and have them apply their knowledge every day during English warm ups. It’s quick, easy and ensures they understand what prepositions are. Use these preposition worksheets to help teach your children and have them apply their understanding. Click on the images below to view the free worksheets.