| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [vb mod] be [verb] | 3073 |
|
| 2 | when [pron] [vb mod] be [verb] | 180 |
|
| 3 | when it [vb mod] [be] [verb] | 61 |
|
| 4 | when it [modal v] be [verb] | 61 |
|
