| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] for a [adj] period | 46 |
|
| 2 | [noun pl] for a [adj] period | 45 |
|
| 3 | [noun pl] for an [adj] period | 6 |
|
| 4 | [noun pl] for a long period | 6 |
|
| 5 | [noun pl] for a limited period | 5 |
|
| 6 | [noun pl] for a specified period | 5 |
|
| 7 | [noun pl] for a limited period | 5 |
|
| 8 | [noun pl] for a specified period | 5 |
|
| 9 | [noun pl] for a [adj -er] period | 5 |
|
