| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] at a [adj] time | 18 |
|
| 2 | [verb] [adv] at a [adj] time | 16 |
|
| 3 | [verb] [adv] at a [adj] time | 16 |
|
| 4 | [verb] [adv prt] at a [adj] time | 12 |
|
| 5 | [vb pp] [adv] at a [adj] time | 6 |
|
| 6 | [verb] [adv] at a [adj] time | 6 |
|
| 7 | [to-vb] [adv] at a [adj] time | 5 |
|
