| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] ' union | 203 |
|
| 2 | [art] [noun pl] ' union | 200 |
|
| 3 | [art] teachers ' [noun] | 181 |
|
| 4 | [art] teachers [unc] union | 28 |
|
| 5 | [art] teachers ' union | 28 |
|
| 6 | [art] teacher ' union | 28 |
|
