| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while [verb] [pron] [prep] [noun sg] | 14 |
|
| 2 | while [v-ing] [pron] [prep] [noun sg] | 13 |
|
| 3 | while [verb] [pers pn] [prep] [noun sg] | 9 |
|
