| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [unc] | 18378 |
|
| 2 | a [noun pl] [unc] | 1320 |
|
| 3 | [art] teachers [unc] | 205 |
|
| 4 | a teacher [unc] | 124 |
|
