| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] [prep] a | 7337 |
|
| 2 | [adv] [prep] a time | 464 |
|
| 3 | [vb past] [prep] a time | 133 |
|
| 4 | [vb past] [adv] [prep] time | 105 |
|
| 5 | [vb past] [adv] a time | 6 |
|
