| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] for a long [noun] | 192 |
|
| 2 | [vb pp] for a long [noun sg] | 192 |
|
| 3 | [vb pp] for a [adj] period | 84 |
|
| 4 | [vb pp] for a [adj] period | 74 |
|
| 5 | [vb pp] [prep] a long period | 53 |
|
| 6 | [verb] for a long period | 22 |
|
| 7 | [vb pp] for a long period | 14 |
|
| 8 | [vb pp] for [art] long period | 10 |
|
| 9 | [vb pp] for a long period | 10 |
|
| 10 | [vb pp] for [art] long period | 10 |
|
| 11 | [vb pp] for a long period | 10 |
|
