1. I saw him get into the car. 2. I heard her talking on the phone. 3. We watched them playing football. 4. I hear someone knocking on the door. 5. Listen to him playing the violin. 6. Do you hear someone shouting? 7. I noticed him putting something into his pocket. 8. I heard him apologize. 9. We listened to her singing. 10. We observed them planting trees.