| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] for a [adj] | 2221 |
|
| 2 | for a [adj] period | 653 |
|
| 3 | [vb pp] for a period | 54 |
|
| 4 | [vb pp] a [adj] period | 25 |
|
| 5 | [vb pp] for [adj] period | 11 |
|
