For for 1. She’s posing for a picture. 2. Window boxes are great for growing flowers. 3. Brocolli is good for you. 4. He’s making some food for his friends. 5. He works for a bank. He needs to wear a suit for his job. 6. This anteater is looking for some food. 7. He’s looking for a bathroom. 8. You need to get some oil for your car. 9. He’s buying some cotton candy for his son. more prepositions here