| to observe classrooms | 41 | purpose |
| out of their day | 28 | other |
| to demonstrate the technique | 21 | purpose |
| teacher → take → time | 514 |
| teacher → take → some time | 38 |
| negative | neutral | positive |
| 0.113 | 0.506 | 0.380 |
| Raw frequency | 552 |
| Normalized frequency | 0.756 |
| Modifier score | 0.817 |
| Perplexity | 101.240 |