| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [verb] [art] [adj] | 5801 |
|
| 2 | problem of [art] [adj] | 393 |
|
| 3 | problem of [verb] [art] | 282 |
|
| 4 | problem of [verb] [adj] | 169 |
|
| 5 | problem [verb] [art] [adj] | 123 |
|
