| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] a [adj] period | 26 |
|
| 2 | [prep] [adj] a [adj] period | 26 |
|
| 3 | over [adj] a [adj] period | 8 |
|
| 4 | over [adj] a [adj] period | 8 |
|
| 5 | for [adj] a [adj] period | 5 |
|
| 6 | for [adj] a [adj] period | 5 |
|
| 7 | [adj] [prep] a [adj] period | 97 |
|
| 8 | [adj] [prep] a [adj] period | 97 |
|
| 9 | [adj] for a [adj] period | 44 |
|
| 10 | [adj] for a [adj] period | 44 |
|
| 11 | [adj] over a [adj] period | 27 |
|
| 12 | [adj] over a [adj] period | 27 |
|
| 13 | [adj] [be] a [adj] period | 12 |
|
| 14 | [adj] [verb] a [adj] period | 12 |
|
| 15 | [adj] be a [adj] period | 12 |
|
| 16 | [adj] [was/were] a [adj] period | 8 |
|
| 17 | [adj] was a [adj] period | 6 |
|
| 18 | [adj] in a [adj] period | 5 |
|
| 19 | [adj] [to-vb] a [adj] period | 5 |
|
| 20 | [adj] in a [adj] period | 5 |
|
| 21 | [adj] a [adj] period [prep] | 13 |
|
| 22 | [adj] a [adj] period [prep] | 13 |
|
| 23 | [adj] a [adj] period of | 11 |
|
| 24 | [adj] a [adj] period of | 11 |
|
