| over time | 10 | temporal |
| by the efflux of time | 10 | other |
| extremely | 6 | degree |
| mattress → be → dirty | 25 |
| mattress → get → dirty | 25 |
| mattress → become → dirty | 7 |
| negative | neutral | positive |
| 0.663 | 0.277 | 0.060 |
| Raw frequency | 57 |
| Normalized frequency | 0.417 |
| Modifier score | 0.600 |
| Perplexity | 245.402 |