| easily | 6 | manner |
| regularly | 6 | degree |
| thoroughly | 5 | manner |
| fan → be → cleaned | 55 |
| fan → need → cleaning | 5 |
| fan → require → cleaning | 4 |
| fan → be cleaned on → the inside | 3 |
| negative | neutral | positive |
| 0.301 | 0.553 | 0.146 |
| Raw frequency | 67 |
| Normalized frequency | 0.511 |
| Modifier score | 0.743 |
| Perplexity | 267.429 |