| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] several [noun] | 49 |
|
| 2 | it [vb past] [noun] [subord] | 26 |
|
| 3 | [vb past] several [noun] [subord] | 18 |
|
| 4 | it several [noun] [subord] | 5 |
|
