| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] be on | 433 |
|
| 2 | [prep] [noun sg] be on | 159 |
|
| 3 | [prep] course be [prep] | 36 |
|
| 4 | [prep] course be on | 6 |
|
| 5 | [prep] course [be] on | 6 |
|
