| very | 9 | degree |
| in terms of content and style | 2 | other |
| lesson → be → varied | 31 |
| lesson → be → diversified | 5 |
| lesson → be → diverse | 4 |
| negative | neutral | positive |
| 0.022 | 0.260 | 0.719 |
| Raw frequency | 40 |
| Normalized frequency | 0.525 |
| Modifier score | 1.000 |
| Perplexity | 309.863 |