| the longer | 4 | temporal |
| usually | 3 | temporal |
| for pain | 3 | purpose |
| mother → have → epidural | 22 |
| mother → receive → epidural | 9 |
| mother → be given → epidural | 5 |
| mother → had → epidural | 4 |
| mother → get → epidural | 3 |
| negative | neutral | positive |
| 0.512 | 0.388 | 0.100 |
| Raw frequency | 43 |
| Normalized frequency | 0.424 |
| Modifier score | 0.840 |
| Perplexity | 127.470 |