| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on [art] pupils ' | 5 |
|
| 2 | on [art] pupils [unc] | 5 |
|
| 3 | on [art] pupils ' | 5 |
|
| 4 | on [art] pupils ['s] | 5 |
|
| 5 | on the pupils [unc] | 5 |
|
| 6 | on the pupils [unc] | 5 |
|
