| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it is [verb] | 1080 |
|
| 2 | when it is [verb] | 609 |
|
| 3 | [adv] when it [verb] | 517 |
|
| 4 | [adv] when it is | 200 |
|
