1. On: The cat sat on the mat. (Indicates position)
2. In: The book is in the bag. (Indicates location)
3. At: We met at the park. (Indicates location)
4. To: I went to the store. (Indicates direction)
5. From: I received a letter from my friend. (Indicates origin)
6. With: She went to the party with her sister. (Indicates accompaniment)
7. Without: He left without saying goodbye. (Indicates absence)
8. Over: The bird flew over the house. (Indicates position above)
9. Under: The ball rolled under the table. (Indicates position below)
10. Through: The river flowed through the valley. (Indicates movement within)
Important Note: Prepositions are words that connect a noun or pronoun to another word in the sentence. They often indicate location, direction, time, or other relationships.