| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [subord] | 1243 |
|
| 2 | it be [adv] [subord] | 1243 |
|
| 3 | it is [adv] [conj] | 826 |
|
| 4 | it [is] [adv] [subord] | 729 |
|
| 5 | [pron] is [adv] [subord] | 537 |
|
| 6 | it is [adv] [subord] | 476 |
|
