| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [adv] [prep] a time | 7 |
|
| 2 | [adv] [verb] [adv] [prep] a time | 6 |
|
| 3 | [adv] [adv] [verb] [prep] a time | 6 |
|
| 4 | [adv] [adv] [vb pp] [prep] a time | 5 |
|
| 5 | [adv] [adv] [prep] a [adj] time | 12 |
|
| 6 | [adv] [adv] [prep] a [adj] time | 11 |
|
| 7 | [adv] [adv] [prep] a long time | 7 |
|
| 8 | 6 |
|
