| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [verb] that [det] | 545 |
|
| 2 | it [is] often [verb] that | 154 |
|
| 3 | [is] often [verb] that [det] | 14 |
|
| 4 | it [is] often [verb] [det] | 8 |
|
