| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of some [prep] [art] [noun] | 503 |
|
| 2 | [prep] some [prep] [art] problem | 40 |
|
| 3 | of [adj] [prep] [art] problem | 23 |
|
| 4 | of [det] [prep] [art] problem | 21 |
|
| 5 | of some [prep] [art] problem | 12 |
|
| 6 | of some [prep] [art] problem | 12 |
|
