| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it is [verb] [prep] | 298 |
|
| 2 | when it is [verb] [prep] | 212 |
|
| 3 | [adv] when it [verb] [prep] | 168 |
|
| 4 | [adv] when it is [verb] | 89 |
|
| 5 | [adv] when it is [prep] | 10 |
|
