| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [verb] [to-vb] [prep] [noun sg] | 268 |
|
| 2 | while [noun prp] [verb] [to-vb] [prep] | 24 |
|
| 3 | while [noun prp] [verb] [prep] [noun sg] | 22 |
|
