| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] a [adj] | 2715 |
|
| 2 | [adv] a [adj] period | 136 |
|
| 3 | [vb past] a [adj] period | 55 |
|
| 4 | [vb past] [adv] a period | 26 |
|
