| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] to be | 3684 |
|
| 2 | [verb] [vb pp] to be | 2965 |
|
| 3 | it [verb] [vb pp] to | 867 |
|
| 4 | it [vb pp] to be | 22 |
|
