| a month or more | 6 | temporal |
| as long as they wish | 4 | manner |
| overnight | 2 | temporal |
| volunteer → can → stay | 20 |
| volunteer → be able to → stay | 10 |
| volunteer → could → stay | 10 |
| negative | neutral | positive |
| 0.015 | 0.631 | 0.354 |
| Raw frequency | 40 |
| Normalized frequency | 0.482 |
| Modifier score | 0.500 |
| Perplexity | 38.318 |