| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] at the time | 102 |
|
| 2 | [Wh det] at the time | 65 |
|
| 3 | [Wh det] [was/were] at the | 57 |
|
| 4 | [Wh det] [was/were] the time | 7 |
|
