| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while [pers pn] be at the | 23 |
|
| 2 | while [pers pn] [was/were] at the | 20 |
|
| 3 | while [pers pn] was at the | 13 |
|
| 4 | while he [be] at the | 9 |
|
| 5 | while [pers pn] were at the | 7 |
|
