| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [prep] the same period | 76 |
|
| 2 | [noun pl] over the [det] period | 24 |
|
| 3 | [noun pl] in the [det] period | 16 |
|
| 4 | [noun pl] during the [det] period | 16 |
|
| 5 | [noun pl] of the [det] period | 13 |
|
