| always | 8 | degree |
| by closing it | 7 | manner |
| to improve them | 6 | purpose |
| school → be → improved | 51 |
| school → can → improve | 36 |
| school → could → improve | 20 |
| school → be able to → improve | 3 |
| school → be → improving | 3 |
| negative | neutral | positive |
| 0.137 | 0.430 | 0.433 |
| Raw frequency | 113 |
| Normalized frequency | 0.554 |
| Modifier score | 0.654 |
| Perplexity | 35.187 |