| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adv] [adj] | 1050 |
|
| 2 | a [adv] [adj] time | 967 |
|
| 3 | at a [adj] time | 433 |
|
| 4 | at [adv] [adj] time | 27 |
|
