| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] often [vb pp] that [art] | 45 |
|
| 2 | it is often [vb pp] [that] [art] | 44 |
|
| 3 | it [is] often [vb pp] [that] the | 38 |
|
| 4 | it [is] often said [that] [art] | 15 |
|
| 5 | it [is] often claimed [that] [art] | 5 |
|
| 6 | it [is] often [vb pp] [that] a | 5 |
|
