| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] [prep] a [noun] [prep] | 1695 |
|
| 2 | [vb past] [adv] [prep] [art] time [prep] | 30 |
|
| 3 | [verb] [adv] [prep] a time [prep] | 22 |
|
