| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] time [prep] | 460 |
|
| 2 | [verb] at [adj] time [prep] | 374 |
|
| 3 | [verb] at a [adj] time | 119 |
|
| 4 | at a [adj] time [prep] | 71 |
|
| 5 | [verb] at a time [prep] | 64 |
|
| 6 | [verb] at a [adj] [prep] | 14 |
|
