| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] to [be] | 18246 |
|
| 2 | it [vb past] [be] | 4472 |
|
| 3 | it [vb past] to | 3900 |
|
| 4 | it to [be] | 1641 |
|
