| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [adj] [prep] a time | 11 |
|
| 2 | in [adj] at a time | 7 |
|
| 3 | in [adj] at a time | 7 |
|
| 4 | in [num] [prep] a time | 7 |
|
