| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] on [noun] | 4204 |
|
| 2 | [verb] on an [noun] | 903 |
|
| 3 | [was/were] [verb] an [noun] | 635 |
|
| 4 | [was/were] [verb] on an | 153 |
|
| 5 | [was/were] on an [noun] | 29 |
|
