| so often | 6 | temporal |
| for nearly an hour | 5 | temporal |
| closer to obstacles | 3 | transitive-object |
| vacuum → be → cleaned | 15 |
| vacuum → be → clean | 10 |
| vacuum → can → clean | 9 |
| vacuum → be → cleaner | 3 |
| vacuum → be able to → clean | 3 |
| negative | neutral | positive |
| 0.122 | 0.467 | 0.411 |
| Raw frequency | 40 |
| Normalized frequency | 0.563 |
| Modifier score | 0.650 |
| Perplexity | 211.736 |