| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [was/were] [verb] [adv] at the | 13 |
|
| 2 | [Wh det] [was/were] [vb pp] [adv] at the | 12 |
|
| 3 | [Wh det] was [verb] [adv] at the | 11 |
|
