| always | 7 | degree |
| increasingly | 3 | degree |
| further | 2 | degree |
| boundary → be → porous | 41 |
| boundary → become → porous | 11 |
| boundary → be → more porous | 4 |
| boundary → become → more porous | 4 |
| negative | neutral | positive |
| 0.199 | 0.607 | 0.193 |
| Raw frequency | 60 |
| Normalized frequency | 0.663 |
| Modifier score | 0.840 |
| Perplexity | 166.526 |