| continuously | 17 | degree |
| highly | 17 | degree |
| extensively | 14 | degree |
| cleaner → be → skilled | 275 |
| cleaner → be → competent | 22 |
| cleaner → be → well-trained | 13 |
| cleaner → be skilled in → application | 11 |
| cleaner → be → proficient | 7 |
| negative | neutral | positive |
| 0.012 | 0.311 | 0.677 |
| Raw frequency | 328 |
| Normalized frequency | 0.852 |
| Modifier score | 0.998 |
| Perplexity | 237.757 |