| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [is] [verb] | 1219 |
|
| 2 | when it [is] [verb] | 736 |
|
| 3 | [verb] when it [verb] | 375 |
|
| 4 | [verb] when it [is] | 183 |
|
