| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] problems that [verb] [adj] [noun] | 6 |
|
| 2 | [adj] problem that [verb] [adj] [noun] | 6 |
|
| 3 | [adj] problem that [verb] [adj] [noun] | 6 |
|
| 4 | [adj] problem that [vb base] [adj] [noun] | 5 |
|
