| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [verb] [be] | 703 |
|
| 2 | [adv] when it [verb] | 517 |
|
| 3 | [adv] when it [be] | 483 |
|
| 4 | when it [verb] [be] | 90 |
|
