| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [vb pp] by [noun] | 842 |
|
| 2 | [be] [vb pp] by some [noun] | 292 |
|
| 3 | it [be] [vb pp] by some | 40 |
|
| 4 | it [be] [vb pp] some [noun] | 8 |
|
