| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] [adv] [verb] | 1927 |
|
| 2 | it [be] [adv] [adv] [verb] | 1927 |
|
| 3 | [pron] is [adv] [adv] [verb] | 1680 |
|
| 4 | it [is] [adv] [adv] [verb] | 1383 |
|
| 5 | it is [adv] [adv] [verb] | 1032 |
|
