| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] that [art] | 1404 |
|
| 2 | it is often [verb] that | 150 |
|
| 3 | is often [verb] that [art] | 47 |
|
| 4 | it often [verb] that [art] | 16 |
|
| 5 | it is often [verb] [art] | 8 |
|
