| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it [be] [verb] | 1499 |
|
| 2 | it [be] [verb] [be] | 173 |
|
| 3 | when it [verb] [be] | 90 |
|
| 4 | when it [be] [be] | 37 |
|
