| sometimes | 3 | temporal |
| for many students | 3 | transitive-object |
| in the last two years | 2 | temporal |
| writing → get → tough | 17 |
| writing → get → hard | 8 |
| writing → become → hard | 8 |
| writing → become → tough | 6 |
| negative | neutral | positive |
| 0.371 | 0.395 | 0.234 |
| Raw frequency | 39 |
| Normalized frequency | 0.385 |
| Modifier score | 0.400 |
| Perplexity | 433.001 |