| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [verb] [adv] that | 214 |
|
| 2 | it be often [verb] that | 163 |
|
| 3 | it be often [verb] [adv] | 30 |
|
| 4 | be often [verb] [adv] that | 11 |
|
