| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] | 3866 |
|
| 2 | it is [vb pp] that | 134 |
|
| 3 | it is [adv] that | 78 |
|
| 4 | is [adv] [vb pp] that | 61 |
|
