| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] a | 8650 |
|
| 2 | [verb] [Wh det] a | 789 |
|
| 3 | [was/were] [verb] [Wh det] | 672 |
|
| 4 | [was/were] [Wh det] a | 8 |
|
