1. Standing upon a skateboard requires a lot of balance. | 
|
2. A sailboat floats upon the water and moves when the wind is blowing. |
|
3. There’s a crown upon his head. | |
4. She has a big smile upon her face. | |
| 5. Many companies require employees to punch a time clock upon arriving at work in the morning. | |
6. Upon arriving at the airport, he was arrested by the police for trying to smuggle drugs into the country. (upon = at the exact time) | |
7. The Christmas season is upon us once again. (In this example, "upon" is used to indicate the arrival of an event.) | |
8. He got down upon his knees and prayed when he learned there was the chance he might lose his job. | |
9. She’s depending upon her husband to help her more around the house before and after the baby arrives. | |
