| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] a [adj] period | 266 |
|
| 2 | [vb pp] [prep] a [adj] period | 239 |
|
| 3 | [vb pp] for a [adj] period | 84 |
|
| 4 | [vb pp] for a [adj] period | 84 |
|
| 5 | [vb pp] over a [adj] period | 83 |
|
| 6 | [vb pp] over a [adj] period | 83 |
|
| 7 | [vb pp] [prep] a long period | 67 |
|
| 8 | [vb pp] [prep] a long period | 53 |
|
| 9 | [vb pp] [prep] a [adj -er] period | 26 |
|
| 10 | [vb pp] [prep] a short period | 26 |
|
| 11 | [vb pp] within a [adj] period | 21 |
|
| 12 | [vb pp] within a [adj] period | 21 |
|
| 13 | [vb pp] [prep] a short period | 19 |
|
| 14 | [vb pp] in a [adj] period | 18 |
|
| 15 | [vb pp] in a [adj] period | 18 |
|
| 16 | [vb pp] by a [adj] period | 14 |
|
| 17 | [vb pp] [prep] a longer period | 14 |
|
| 18 | [vb pp] by a [adj] period | 14 |
|
| 19 | [vb pp] [prep] a limited period | 12 |
|
| 20 | [vb pp] [prep] a limited period | 12 |
|
| 21 | [vb pp] after a [adj] period | 12 |
|
| 22 | [vb pp] after a [adj] period | 12 |
|
| 23 | [vb pp] during a [adj] period | 11 |
|
| 24 | [vb pp] during a [adj] period | 11 |
|
| 25 | [vb pp] [prep] a particular period | 8 |
|
| 26 | [vb pp] [prep] a particular period | 8 |
|
| 27 | [vb pp] [prep] a fixed period | 7 |
|
| 28 | [vb pp] [prep] a certain period | 7 |
|
| 29 | [vb pp] [prep] a three-year period | 7 |
|
| 30 | [vb pp] [prep] a two-year period | 7 |
|
