| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] a [noun] | 34350 |
|
| 2 | was a [noun] | 30831 |
|
| 3 | was [vb pp] [noun] | 3298 |
|
| 4 | was [vb pp] a | 2081 |
|
