| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [prep] [art] time | 53 |
|
| 2 | [prep] at [art] time | 45 |
|
| 3 | at at [art] [noun] | 38 |
|
| 4 | at at [art] [noun sg] | 36 |
|
| 5 | at at [art] time | 5 |
|
| 6 | at at [art] time | 5 |
|
