| every year | 6 | temporal |
| to extend its life | 5 | purpose |
| simply | 3 | manner |
| tree → need → pruning | 24 |
| tree → require → pruning | 18 |
| tree → need → major pruning | 5 |
| tree → need → root pruning | 3 |
| tree → need → corrective pruning | 3 |
| negative | neutral | positive |
| 0.218 | 0.655 | 0.127 |
| Raw frequency | 53 |
| Normalized frequency | 0.387 |
| Modifier score | 0.500 |
| Perplexity | 123.252 |