| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is often [vb pp] that | 14 |
|
| 2 | [coord] it be often [vb pp] that | 10 |
|
| 3 | and it be often [vb pp] that | 6 |
|
| 4 | [subord] it be often [vb pp] that | 6 |
|
| 5 | and it be often [vb pp] that | 6 |
|
