| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [verb] at the | 462 |
|
| 2 | [noun] [verb] at the time | 243 |
|
| 3 | a [noun] at the time | 119 |
|
| 4 | a [noun] [verb] the time | 12 |
|
