| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] teachers ' | 202 |
|
| 2 | [art] teachers ' | 202 |
|
| 3 | the teachers ' | 171 |
|
| 4 | the teachers ' | 171 |
|
| 5 | a teachers ' | 30 |
|
| 6 | a teachers ' | 30 |
|
