| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [noun] | 7421 |
|
| 2 | when [noun sg] | 1677 |
|
| 3 | [adv] snow | 27 |
|
| 4 | [Wh adv] snow | 9 |
|
| 5 | when snow | 7 |
|
| 6 | when snow | 7 |
|
