| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] a [adj] time | 189 |
|
| 2 | [verb] at a [adj] time | 79 |
|
| 3 | [verb] [vb pp] at a [adj] | 62 |
|
| 4 | [vb pp] at a [adj] time | 36 |
|
| 5 | [verb] [vb pp] at a time | 20 |
|
