| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] at the time | 208 |
|
| 2 | [Wh det] [was/were] [verb] at the | 116 |
|
| 3 | [Wh det] [verb] at the time | 15 |
|
| 4 | [Wh det] [was/were] at the time | 5 |
|
