| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] a [noun] [vb pp] | 717 |
|
| 2 | on a [noun] [vb pp] | 483 |
|
| 3 | [was/were] on a [noun] | 367 |
|
| 4 | [was/were] on [noun] [vb pp] | 7 |
|
