| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [was/were] that [adv] | 14 |
|
| 2 | [Wh det] was that [adv] | 14 |
|
| 3 | what [was/were] that [adv] | 14 |
|
| 4 | [Wh det] [was/were] that then | 5 |
|
