| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [vb pp] | 37790 |
|
| 2 | be [vb pp] [that] | 19324 |
|
| 3 | it be [that] | 1400 |
|
| 4 | it [vb pp] [that] | 83 |
|
