| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [verb] that [art] | 3150 |
|
| 2 | it be often [verb] that | 163 |
|
| 3 | be often [verb] that [art] | 52 |
|
| 4 | it often [verb] that [art] | 16 |
|
| 5 | it be often [verb] [art] | 10 |
|
