| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] problem of the | 288 |
|
| 2 | [art] problem of [adv] | 150 |
|
| 3 | problem of [adv] the | 12 |
|
| 4 | [art] problem [adv] the | 5 |
|
