| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] at [art] time | 25 |
|
| 2 | [prep] [verb] at [art] time | 24 |
|
| 3 | [prep] [v-ing] at [art] time | 23 |
|
| 4 | [prep] [verb] at the time | 20 |
|
| 5 | [prep] [verb] at the time | 20 |
|
| 6 | of [verb] at [art] time | 9 |
|
| 7 | [prep] [verb] at a time | 5 |
|
| 8 | [prep] [verb] at a time | 5 |
|
| 9 | in [verb] at [art] time | 5 |
|
