| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [is] [adj] [noun] | 540 |
|
| 2 | [adj] problem [is] [adj] | 68 |
|
| 3 | problem [is] [adj] [noun] | 56 |
|
| 4 | [adj] problem [is] [noun] | 25 |
|
| 5 | [adj] problem [adj] [noun] | 8 |
|
