| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] at [art] time | 796 |
|
| 2 | [prep] [verb] [noun] at [art] | 222 |
|
| 3 | [verb] [noun] at [art] time | 126 |
|
| 4 | [prep] [verb] at [art] time | 25 |
|
