| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] on [noun] | 5664 |
|
| 2 | [vb past] several [noun] | 934 |
|
| 3 | on several [noun] | 476 |
|
| 4 | [vb past] on several | 33 |
|
