| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [det] [noun] | 18595 |
|
| 2 | [det] [det] [noun pl] | 8842 |
|
| 3 | [det] [adj] problems | 557 |
|
| 4 | [det] [det] problem | 87 |
|
| 5 | [adj] [det] problems | 86 |
|
