| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] problem is [adj] [noun] | 27 |
|
| 2 | [adj] problem [is] [adj] [noun sg] | 23 |
|
| 3 | [adj] problem [is] [adj] [noun] | 21 |
|
| 4 | [adj] problem [is] [det] [noun] | 14 |
|
| 5 | [adj] problem [is] [adj] [noun] | 13 |
|
| 6 | [adj] problem [is] that [noun] | 12 |
|
| 7 | [adj] problem [is] that [noun] | 12 |
|
| 8 | main problem [is] [adj] [noun] | 5 |
|
| 9 | main problem [is] [adj] [noun] | 5 |
|
