| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] for a period | 38 |
|
| 2 | [be] [vb pp] for a period | 38 |
|
| 3 | [be] [vb pp] for a period | 15 |
|
| 4 | be [vb pp] for a period | 15 |
|
| 5 | [was/were] [vb pp] for a period | 10 |
|
| 6 | [adv] [vb pp] for a period | 8 |
|
| 7 | [adv] [vb pp] for a period | 7 |
|
| 8 | is [vb pp] for a period | 6 |
|
| 9 | [is] [vb pp] for a period | 6 |
|
| 10 | was [vb pp] for a period | 6 |
|
| 11 | [verb] [vb pp] for a period | 5 |
|
| 12 | have [vb pp] for a period | 5 |
|
| 13 | [vb pp] [adv] for a period | 9 |
|
| 14 | [vb pp] [adv] for a period | 5 |
|
| 15 | [vb pp] for a [adj] period | 84 |
|
| 16 | [vb pp] for a [adj] period | 74 |
|
| 17 | [vb pp] for a long period | 14 |
|
| 18 | [vb pp] for a [adj -er] period | 10 |
|
| 19 | [vb pp] for a long period | 10 |
|
| 20 | [vb pp] for a short period | 9 |
|
| 21 | [vb pp] for a limited period | 9 |
|
| 22 | [vb pp] for a limited period | 9 |
|
| 23 | [vb pp] for a short period | 7 |
|
| 24 | [vb pp] for a period [prep] | 45 |
|
| 25 | [vb pp] for a period [prep] | 45 |
|
| 26 | [vb pp] for a period of | 37 |
|
| 27 | [vb pp] for a period of | 37 |
|
