| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [vb pp] to be | 345 |
|
| 2 | it [verb] [adv] to be | 289 |
|
| 3 | [verb] [vb pp] [adv] to be | 187 |
|
| 4 | it [verb] [vb pp] [adv] to | 98 |
|
