| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [verb] at the [noun] | 273 |
|
| 2 | [verb] [verb] at the time | 84 |
|
| 3 | [vb pp] [verb] [prep] the time | 25 |
|
| 4 | [vb pp] [verb] at [art] time | 7 |
|
