| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] [adv] [prep] a time | 9 |
|
| 2 | [pron] [vb past] [adv] [prep] a time | 8 |
|
| 3 | [pers pn] [verb] [adv] [prep] a time | 8 |
|
| 4 | [pron] [verb] [adv] for a time | 6 |
|
