| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] at a [adj] | 316 |
|
| 2 | [verb] [adv] a [adj] time | 99 |
|
| 3 | [verb] at a [adj] time | 79 |
|
| 4 | [verb] [adv] at a time | 38 |
|
| 5 | [adv] at a [adj] time | 27 |
|
| 6 | [verb] [adv] at [adj] time | 6 |
|
