| much | 5 | degree |
| very extensively | 2 | degree |
| period → be → analyzed | 22 |
| period → be → studied | 20 |
| period → be → researched | 4 |
| period → be → explored | 4 |
| negative | neutral | positive |
| 0.117 | 0.749 | 0.134 |
| Raw frequency | 50 |
| Normalized frequency | 0.464 |
| Modifier score | 0.950 |
| Perplexity | 305.348 |