| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] a [noun] | 33420 |
|
| 2 | [noun] a [noun] | 29467 |
|
| 3 | [noun] [was/were] a | 17983 |
|
| 4 | [noun] [was/were] [noun] | 11962 |
|
