| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [v-ing] [prep] [art] [noun sg] | 4404 |
|
| 2 | while [v-ing] [prep] [art] [noun] | 376 |
|
| 3 | while [verb] [prep] [art] [noun sg] | 336 |
|
| 4 | while [v-ing] [prep] [art] [noun sg] | 307 |
|
