| certainly | 11 | manner |
| free of charge | 7 | manner |
| mattress → be → collected | 32 |
| mattress → be → accumulated | 7 |
| mattress → be → gathered | 5 |
| negative | neutral | positive |
| 0.083 | 0.646 | 0.272 |
| Raw frequency | 44 |
| Normalized frequency | 0.380 |
| Modifier score | 0.500 |
| Perplexity | 371.430 |