| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] that | 1504 |
|
| 2 | it [be] [adv] that | 1504 |
|
| 3 | it [is] [adv] that | 920 |
|
| 4 | it is [adv] [conj] | 826 |
|
| 5 | it is [adv] that | 477 |
|
| 6 | [pron] is [adv] that | 366 |
|
