| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [noun] [vb past] [prep] | 1426 |
|
| 2 | while [noun] [vb past] [prep] | 273 |
|
| 3 | [adv] while [noun] [vb past] | 69 |
|
| 4 | [adv] while [noun] [prep] | 16 |
|
