| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] a [adj] period | 23 |
|
| 2 | [vb pp] a long period | 9 |
|
| 3 | [vb pp] a long period | 7 |
|
| 4 | given a [adj] period | 5 |
|
