| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [pers pn] [verb] | 828 |
|
| 2 | it be [pers pn] [vb past] | 173 |
|
| 3 | it [pers pn] [vb past] [verb] | 87 |
|
| 4 | be [pers pn] [vb past] [verb] | 73 |
|
