| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] at [art] time | 36 |
|
| 2 | [prep] [num] at [art] time | 36 |
|
| 3 | [prep] [num] at [art] time | 36 |
|
| 4 | [prep] [num] at the time | 19 |
|
| 5 | [prep] [num] at a time | 17 |
|
| 6 | in [num] at [art] time | 16 |
|
| 7 | in [num] at [art] time | 16 |
|
| 8 | of [num] at [art] time | 9 |
|
| 9 | of [num] at [art] time | 9 |
|
