| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] on [prep] an [noun] | 15 |
|
| 2 | [vb pp] on [prep] an [noun sg] | 13 |
|
| 3 | [vb pp] on as an [noun] | 6 |
|
| 4 | [vb pp] on as an [noun] | 6 |
|
