| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] teachers ' [noun] | 193 |
|
| 2 | [art] teachers ' [noun] | 181 |
|
| 3 | [prep] [art] teachers ' | 102 |
|
| 4 | [prep] [art] teachers [noun] | 7 |
|
