| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [verb] at [art] | 600 |
|
| 2 | [noun] [verb] at [art] time | 342 |
|
| 3 | a [noun] at [art] time | 238 |
|
| 4 | a [noun] [verb] [art] time | 22 |
|
