| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is often [vb pp] that | 8 |
|
| 2 | [subord] it is often [vb pp] that | 6 |
|
| 3 | and it is often [vb pp] that | 5 |
|
| 4 | and it is often [vb pp] that | 5 |
|
