| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] a [noun] | 1227 |
|
| 2 | [vb past] [adv] [art] time | 28 |
|
| 3 | [verb] [adv] a time | 17 |
|
| 4 | [vb past] [adv] a time | 6 |
|
