| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [conj] [adj] [noun] | 1289 |
|
| 2 | problem [conj] [adj] [noun] | 85 |
|
| 3 | problem [is] [conj] [adj] | 79 |
|
| 4 | problem [is] [adj] [noun] | 56 |
|
| 5 | problem [is] [conj] [noun] | 53 |
|
