| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | teacher ['s] training course | 10 |
|
| 2 | teacher [unc] training course | 10 |
|
| 3 | teacher ' training course | 8 |
|
| 4 | teachers [unc] training course | 8 |
|
| 5 | teacher ' training course | 8 |
|
