| to have a leave | 26 | purpose |
| to make an essay | 25 | purpose |
| at the basic | 16 | degree |
| student → be → necessary | 322 |
| student → be → essential | 302 |
| student → become → necessary | 6 |
| negative | neutral | positive |
| 0.093 | 0.569 | 0.338 |
| Raw frequency | 630 |
| Normalized frequency | 0.546 |
| Modifier score | 0.747 |
| Perplexity | 230.561 |