| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at an [adj] | 655 |
|
| 2 | [verb] at [adj] time | 215 |
|
| 3 | [verb] an [adj] time | 85 |
|
| 4 | at an [adj] time | 37 |
|
