| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [vb pp] | 37790 |
|
| 2 | [be] [vb pp] or | 4396 |
|
| 3 | it [be] or | 65 |
|
| 4 | it [vb pp] or | 21 |
|
