| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun pl] at [adj] time | 20 |
|
| 2 | of [noun pl] at [det] time | 18 |
|
| 3 | of [noun pl] at that time | 10 |
|
| 4 | of [noun pl] at that time | 10 |
|
| 5 | of [noun pl] at this time | 5 |
|
| 6 | of [noun pl] at this time | 5 |
|
