| during the learning process | 4 | temporal |
| rarely | 2 | degree |
| vowel → can → change | 3 |
| vowel → be → changeable | 3 |
| vowel → change → sound | 3 |
| vowel → change → its sound | 3 |
| negative | neutral | positive |
| 0.102 | 0.814 | 0.084 |
| Raw frequency | 12 |
| Normalized frequency | 0.297 |
| Modifier score | 0.500 |
| Perplexity | 210.772 |