| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [art] [noun sg] [unc] | 18337 |
|
| 2 | [art] [noun sg] [unc] problems | 153 |
|
| 3 | of [art] [noun sg] problems | 39 |
|
| 4 | of [noun sg] [unc] problems | 9 |
|
