| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] a | 3063 |
|
| 2 | [was/were] [vb pp] [noun pl] | 528 |
|
| 3 | [vb pp] a [noun pl] | 193 |
|
| 4 | [was/were] a [noun pl] | 171 |
|
