| very | 46 | degree |
| for several months | 17 | temporal |
| often | 15 | temporal |
| knee → be → swollen | 375 |
| knee → become → swollen | 119 |
| knee → feel → swollen | 33 |
| knee → get → swollen | 16 |
| knee → be → swelling | 8 |
| knee → appear → swollen | 7 |
| knee → look → swollen | 5 |
| negative | neutral | positive |
| 0.629 | 0.309 | 0.062 |
| Raw frequency | 563 |
| Normalized frequency | 0.912 |
| Modifier score | 0.696 |
| Perplexity | 208.403 |