| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] both teacher [coord] | 21 |
|
| 2 | [prep] both teacher [conj] | 21 |
|
| 3 | [prep] both teacher and | 21 |
|
| 4 | [prep] both teacher and | 21 |
|
| 5 | [noun] [prep] both teacher | 13 |
|
| 6 | [noun sg] [prep] both teacher | 10 |
|
