| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] a | 12208 |
|
| 2 | [was/were] [det] [adv] | 1450 |
|
| 3 | [was/were] [det] a | 893 |
|
| 4 | [det] [adv] a | 321 |
|
