| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] during a period of | 22 |
|
| 2 | [verb] during a period of | 19 |
|
| 3 | [noun sg] during a period of | 10 |
|
| 4 | [noun pl] during a period of | 10 |
|
| 5 | [adj] during a period of | 8 |
|
| 6 | [vb past] during a period of | 8 |
|
| 7 | [vb pp] during a period of | 7 |
|
| 8 | [adj] during a period of | 5 |
|
| 9 | during a [adj] period of | 13 |
|
| 10 | during a [adj] period of | 12 |
|
| 11 | during a period of [adj] | 46 |
|
| 12 | during a period of [adj] | 39 |
|
| 13 | during a period of [noun sg] | 19 |
|
| 14 | during a period of [noun] | 19 |
|
| 15 | during a period of high | 6 |
|
| 16 | during a period of transition | 5 |
|
| 17 | during a period of [adv] | 5 |
|
| 18 | during a period of continental | 5 |
|
| 19 | during a period of transition | 5 |
|
| 20 | during a period of [num] | 5 |
|
| 21 | during a period of continental | 5 |
|
| 22 | during a period of [adv] | 5 |
|
