| rarely | 31 | degree |
| regularly | 23 | degree |
| during this period | 16 | temporal |
| opera → be → performed | 285 |
| opera → take → place | 78 |
| opera → be → staged | 76 |
| negative | neutral | positive |
| 0.105 | 0.617 | 0.278 |
| Raw frequency | 439 |
| Normalized frequency | 1.000 |
| Modifier score | 0.496 |
| Perplexity | 227.782 |