| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | teachers ' training [noun] | 25 |
|
| 2 | teachers ' training [noun sg] | 21 |
|
| 3 | teachers ' training college | 9 |
|
| 4 | teachers ' training course | 8 |
|
| 5 | teachers ' training college | 8 |
|
| 6 | teachers ' training course | 8 |
|
