| least once a year | 13 | temporal |
| regularly | 7 | degree |
| properly | 3 | degree |
| furnace → be → serviced | 48 |
| furnace → need → servicing | 6 |
| negative | neutral | positive |
| 0.225 | 0.611 | 0.164 |
| Raw frequency | 54 |
| Normalized frequency | 0.625 |
| Modifier score | 0.837 |
| Perplexity | 114.800 |