| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] to be | 1130 |
|
| 2 | [adv] [vb past] to be | 1090 |
|
| 3 | it [adv] [vb past] to | 387 |
|
| 4 | it [adv] [vb past] be | 51 |
|
| 5 | it [adv] to be | 33 |
|
