| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [prep] [noun sg] | 33185 |
|
| 2 | [subord] [prep] [noun sg] | 9820 |
|
| 3 | while [prep] [noun] | 989 |
|
| 4 | while [prep] [noun sg] | 458 |
|
