| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [vb pp] that [noun prp] | 13 |
|
| 2 | it be [vb pp] [that] [noun prp] | 13 |
|
| 3 | it be [vb pp] that [noun prp] | 13 |
|
| 4 | it be known [conj] [noun prp] | 5 |
|
