| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adv] [adj] time [prep] | 15 |
|
| 2 | at a [adv] [adj] time [prep] | 14 |
|
| 3 | at a [adv] [adj] time of | 8 |
|
| 4 | at a very [adj] time [prep] | 5 |
|
| 5 | at a very [adj] time [prep] | 5 |
|
