| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [adj] time | 136 |
|
| 2 | [verb] a [adj] time in | 95 |
|
| 3 | [verb] at [adj] time in | 51 |
|
| 4 | at a [adj] time in | 26 |
|
