| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | let it be [vb pp] that | 60 |
|
| 2 | [vb base] it be [vb pp] that | 60 |
|
| 3 | [vb base] it be known that | 37 |
|
| 4 | [vb base] it be said that | 10 |
|
