| with constructing buildings | 5 | other |
| for two hours | 5 | temporal |
| in teaching english | 4 | other |
| volunteer → can → assist | 26 |
| volunteer → be able to → assist | 13 |
| volunteer → be available to → assist | 4 |
| volunteer → be available to → provide assistance | 3 |
| negative | neutral | positive |
| 0.038 | 0.454 | 0.508 |
| Raw frequency | 46 |
| Normalized frequency | 0.508 |
| Modifier score | 0.350 |
| Perplexity | 37.364 |