| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] of [art] problem of | 68 |
|
| 2 | [det] of [art] problem of | 68 |
|
| 3 | [det] of the problem of | 68 |
|
| 4 | [det] of the problem of | 68 |
|
| 5 | [det] of [art] problems of | 66 |
|
| 6 | some of [art] problem of | 35 |
|
| 7 | many of [art] problem of | 23 |
|
| 8 | most of [art] problem of | 5 |
|
