| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] teachers ' [adj] | 22 |
|
| 2 | [prep] teacher ' [adj] | 22 |
|
| 3 | of teacher ' [adj] | 9 |
|
| 4 | of teacher ' [adj] | 9 |
|
| 5 | [prep] teacher ' professional | 5 |
|
