| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [adv] [verb] | 4980 |
|
| 2 | [pron] [was/were] [adv] [to-vb] | 1904 |
|
| 3 | [pers pn] [was/were] [adv] [to-vb] | 1598 |
|
| 4 | it [be] [adv] [to-vb] | 528 |
|
| 5 | it [was/were] [adv] [to-vb] | 210 |
|
