| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at the time | 383 |
|
| 2 | [Wh det] be [verb] at the | 210 |
|
| 3 | [Wh det] [verb] at the time | 15 |
|
| 4 | [Wh det] be at the time | 7 |
|
