| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while [prep] [det] [noun] [pron] | 8 |
|
| 2 | while in [det] [noun] [pron] | 8 |
|
| 3 | while [prep] [det] [noun] [pers pn] | 6 |
|
| 4 | while [prep] [det] [noun sg] [pron] | 5 |
|
