| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [pers pn] was at | 6 |
|
| 2 | [verb] what [pron] was at | 6 |
|
| 3 | [verb] what was [verb] at | 12 |
|
| 4 | [verb] what was [vb pp] at | 6 |
|
| 5 | [verb] what was happen at | 6 |
|
| 6 | [verb] what was [v-ing] at | 5 |
|
| 7 | [verb] what was happening at | 5 |
|
