| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] on [noun] [prep] | 7497 |
|
| 2 | while on [noun] [prep] | 52 |
|
| 3 | [verb] while on [noun] | 35 |
|
| 4 | [verb] while [noun] [prep] | 14 |
|
