| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [be] [verb] | 166 |
|
| 2 | when it [be] [adv] [verb] | 140 |
|
| 3 | when it [be] [be] [verb] | 35 |
|
| 4 | when it [be] [adv] [be] | 8 |
|
