| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [prep] the same period | 24 |
|
| 2 | [noun prp] in the [det] period | 7 |
|
| 3 | [noun prp] over the [det] period | 5 |
|
| 4 | [noun prp] during the [det] period | 5 |
|
