| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is frequently [vb pp] [that] | 16 |
|
| 2 | it is frequently [vb pp] that | 16 |
|
| 3 | it is frequently [vb pp] that | 16 |
|
| 4 | it is frequently said [conj] | 6 |
|
