| always | 4 | degree |
| occasionally | 2 | degree |
| pipe → be → required | 22 |
| pipe → be → need | 4 |
| pipe → be → necessary | 4 |
| pipe → be in → need | 3 |
| negative | neutral | positive |
| 0.170 | 0.677 | 0.153 |
| Raw frequency | 33 |
| Normalized frequency | 0.433 |
| Modifier score | 0.700 |
| Perplexity | 124.038 |