| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] ' training course | 13 |
|
| 2 | [noun pl] ' training course | 13 |
|
| 3 | [noun] ' training course | 11 |
|
| 4 | teacher ' training course | 8 |
|
| 5 | teachers ' training course | 8 |
|
