| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [det] [prep] the problems | 12 |
|
| 2 | [art] [det] [prep] [art] problems | 12 |
|
| 3 | [art] [det] of [art] problems | 11 |
|
| 4 | [art] [det] of [art] problems | 11 |
|
| 5 | a [det] [prep] [art] problems | 8 |
|
| 6 | [art] few [prep] [art] problems | 8 |
|
