| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] [verb] when | 20 |
|
| 2 | it be [adv] [vb pp] when | 14 |
|
| 3 | it was [adv] [verb] when | 11 |
|
| 4 | it is [adv] [verb] when | 7 |
|
