| before | 4 | temporal |
| many times | 3 | temporal |
| by supporting ventilation | 2 | manner |
| attempt → be → attempted | 33 |
| attempt → be → tried | 24 |
| negative | neutral | positive |
| 0.403 | 0.551 | 0.046 |
| Raw frequency | 57 |
| Normalized frequency | 0.350 |
| Modifier score | 0.350 |
| Perplexity | 140.398 |