| further | 8 | manner |
| during the early 1950s | 8 | temporal |
| constantly | 6 | temporal |
| airport → be → expanded | 82 |
| airport → be → enlarged | 11 |
| airport → can → expand | 5 |
| airport → could → expand | 4 |
| negative | neutral | positive |
| 0.102 | 0.586 | 0.312 |
| Raw frequency | 102 |
| Normalized frequency | 0.497 |
| Modifier score | 1.000 |
| Perplexity | 474.468 |