| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun prp] at [art] time | 29 |
|
| 2 | of [noun prp] at the time | 24 |
|
| 3 | of [noun prp] at the time | 24 |
|
| 4 | of [noun prp] at a time | 5 |
|
| 5 | of [noun prp] at a time | 5 |
|
