| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] teacher [unc] [noun] | 211 |
|
| 2 | [prep] teacher [unc] [noun sg] | 98 |
|
| 3 | [prep] [noun] [unc] training | 38 |
|
| 4 | [prep] teacher [unc] training | 7 |
|
