| for their children | 18 | transitive-object |
| all this time | 10 | temporal |
| for returning to school | 9 | purpose |
| parent → buy → book | 134 |
| parent → purchase → book | 42 |
| parent → buy → the book | 11 |
| negative | neutral | positive |
| 0.150 | 0.477 | 0.374 |
| Raw frequency | 187 |
| Normalized frequency | 0.560 |
| Modifier score | 0.724 |
| Perplexity | 278.243 |