| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [pron] | 868 |
|
| 2 | it is [adv] that | 477 |
|
| 3 | is [adv] that [pron] | 383 |
|
| 4 | it is that [pron] | 268 |
|
| 5 | it [adv] that [pron] | 207 |
|
