| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [art] [adv] at a time | 6 |
|
| 2 | [verb] a [adv] at a time | 6 |
|
| 3 | [verb] [art] [adv] at a time | 6 |
|
| 4 | [verb] a [adv] at a time | 6 |
|
| 5 | [verb] [adv] [adj] at a time | 7 |
|
| 6 | [verb] [adv] at a [adj] time | 6 |
|
| 7 | [verb] [adv] at a [adj] time | 5 |
|
| 8 | [verb] [adv] at a time [adv] | 8 |
|
| 9 | [verb] [adv] at a time [Wh adv] | 8 |
|
| 10 | [verb] [adv] at a time when | 8 |
|
| 11 | [verb] [adv] at a time when | 8 |
|
