| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] that | 1938 |
|
| 2 | it be [adv] that | 1938 |
|
| 3 | it [is] [adv] that | 1226 |
|
| 4 | it is [adv] [conj] | 1088 |
|
| 5 | [pron] is [adv] that | 498 |
|
