| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [adv] [verb] | 1927 |
|
| 2 | [pron] [be] [adv] [adv] [to-vb] | 567 |
|
| 3 | [pers pn] [be] [adv] [adv] [to-vb] | 459 |
|
| 4 | it [be] [adv] [adv] [to-vb] | 301 |
|
| 5 | it [be] [adv] [adv] [to-vb] | 272 |
|
