| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] [to-vb] | 226 |
|
| 2 | [vb -s] it is [adv] [verb] | 51 |
|
| 3 | [vb -s] it is [verb] [to-vb] | 22 |
|
| 4 | [vb -s] it [adv] [verb] [to-vb] | 16 |
|
