| in exchange for them | 8 | purpose |
| for at least half a day | 3 | temporal |
| at home | 3 | location |
| volunteer → do → work | 11 |
| volunteer → do → volunteer work | 4 |
| volunteer → have → work | 3 |
| volunteer → do → voluntary work | 3 |
| negative | neutral | positive |
| 0.091 | 0.519 | 0.390 |
| Raw frequency | 21 |
| Normalized frequency | 0.362 |
| Modifier score | 0.800 |
| Perplexity | 48.340 |