| to protect safety | 78 | purpose |
| to good government | 21 | transitive-object |
| to learn on the job | 14 | purpose |
| knowledge → be → necessary | 305 |
| knowledge → be → must | 24 |
| knowledge → be → imperative | 19 |
| knowledge → be → necessity | 15 |
| knowledge → be deemed → necessary | 7 |
| knowledge → be → necessary condition | 3 |
| negative | neutral | positive |
| 0.076 | 0.642 | 0.281 |
| Raw frequency | 373 |
| Normalized frequency | 0.802 |
| Modifier score | 0.435 |
| Perplexity | 26.204 |