| very | 8 | degree |
| in the event | 5 | temporal |
| in comparison | 2 | other |
| membrane → be → tough | 27 |
| membrane → become → tough | 7 |
| membrane → be → hard | 3 |
| negative | neutral | positive |
| 0.341 | 0.490 | 0.168 |
| Raw frequency | 37 |
| Normalized frequency | 0.476 |
| Modifier score | 0.800 |
| Perplexity | 402.788 |