| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adv] [verb] | 592 |
|
| 2 | is [adv] [adv] [verb] [subord] | 202 |
|
| 3 | it is [adv] [verb] [subord] | 71 |
|
| 4 | it is [adv] [adv] [subord] | 37 |
|
| 5 | it [adv] [adv] [verb] [subord] | 9 |
|
