| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [verb] that | 8865 |
|
| 2 | it [vb past] be [verb] | 1746 |
|
| 3 | [vb past] be [verb] that | 383 |
|
| 4 | it [vb past] [verb] that | 137 |
|
| 5 | it [vb past] be that | 5 |
|
