| much | 19 | degree |
| the further north it went | 9 | temporal |
| noticeably | 7 | degree |
| river → be → narrower | 53 |
| river → become → narrower | 33 |
| river → get → narrower | 22 |
| negative | neutral | positive |
| 0.169 | 0.674 | 0.158 |
| Raw frequency | 108 |
| Normalized frequency | 0.621 |
| Modifier score | 0.800 |
| Perplexity | 411.698 |