| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a time [adv] | 281 |
|
| 2 | [vb base] [verb] [prep] a [adv] | 107 |
|
| 3 | [vb base] [prep] a time [adv] | 26 |
|
| 4 | [vb base] [verb] [prep] a time | 8 |
|
