| to students | 3 | transitive-object |
| doubtless | 3 | degree |
| particularly | 3 | degree |
| biography → be → useful | 6 |
| biography → prove → useful | 3 |
| biography → be → helpful | 3 |
| negative | neutral | positive |
| 0.033 | 0.327 | 0.640 |
| Raw frequency | 12 |
| Normalized frequency | 0.303 |
| Modifier score | 0.500 |
| Perplexity | 96.401 |