| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] in a [adj] | 3749 |
|
| 2 | in a [adj] period | 98 |
|
| 3 | [noun pl] in [adj] period | 80 |
|
| 4 | [noun pl] in a period | 16 |
|
