| sometimes | 21 | degree |
| to determine | 19 | purpose |
| in the first place | 11 | temporal |
| trial → be → necessary | 228 |
| trial → be → required | 89 |
| trial → become → necessary | 8 |
| trial → be → need | 7 |
| trial → be deemed → necessary | 3 |
| trial → be → requirement | 3 |
| negative | neutral | positive |
| 0.195 | 0.684 | 0.121 |
| Raw frequency | 338 |
| Normalized frequency | 0.758 |
| Modifier score | 0.336 |
| Perplexity | 106.921 |