| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | upon a [noun] | 908 |
|
| 2 | upon a [noun sg] | 878 |
|
| 3 | [prep] a course | 411 |
|
| 4 | [prep] a course | 411 |
|
| 5 | upon [art] course | 11 |
|
| 6 | upon a course | 7 |
|
| 7 | upon a course | 7 |
|
