| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] a [noun sg] | 32340 |
|
| 2 | [det] a [noun sg] | 17410 |
|
| 3 | [det] [was/were] a | 3638 |
|
| 4 | [det] [was/were] [noun sg] | 684 |
|
