| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [noun] [prep] teachers | 212 |
|
| 2 | [art] [noun] [prep] teachers ' | 43 |
|
| 3 | [prep] [noun] [prep] teachers ' | 13 |
|
| 4 | [prep] [art] [noun] teachers ' | 9 |
|
