| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [det] period [prep] | 34 |
|
| 2 | [verb] [adj] period of | 20 |
|
| 3 | [verb] this period [prep] | 16 |
|
| 4 | [verb] this period [prep] | 16 |
|
| 5 | [vb pp] [adj] period [prep] | 12 |
|
| 6 | [verb] that period [prep] | 10 |
|
| 7 | [verb] that period [prep] | 10 |
|
| 8 | [to-vb] [adj] period [prep] | 8 |
|
| 9 | [vb past] [adj] period [prep] | 7 |
|
| 10 | [verb] [adj] period in | 6 |
|
| 11 | [verb] any period [prep] | 5 |
|
| 12 | [verb] any period [prep] | 5 |
|
| 13 | [verb] [num] period [prep] | 5 |
|
| 14 | [verb] one period [prep] | 5 |
|
| 15 | [verb] one period [prep] | 5 |
|
