| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun pl] at [art] time | 47 |
|
| 2 | of [noun pl] at [art] time | 47 |
|
| 3 | of [noun pl] at the time | 26 |
|
| 4 | of [noun pl] at the time | 26 |
|
| 5 | of [noun pl] at a time | 21 |
|
| 6 | of [noun pl] at a time | 21 |
|
