Usage of prepositions and articles
British and American English also sometimes follow different conventions with regard to the use of prepositions and articles. Some of the most common examples include:
| British | American |
| You enrol on a course. | You enroll in a course. |
| You convalesce in hospital. | You convalesce in the hospital. |
| You go out at the weekend. | You go out on the weekend. |
| You play in a team. | You play on a team. |
| An office is open Monday to Friday. | An office is open Monday through/to Friday. |
| You study English at university. | You study English in college. |
| You ring/call someone on 867-5309. | You call someone at 867-5309 |
Additional examples can be found on Wikipedia.