| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] [is] [adj] [noun] | 1935 |
|
| 2 | [adj] [noun sg] [is] [adj] [noun] | 1614 |
|
| 3 | [adj] problem [be] [adj] [noun] | 32 |
|
| 4 | [adj] problem [is] [adj] [noun] | 32 |
|
