| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [is] [verb] [conj] [art] | 1340 |
|
| 2 | problem [be] [verb] [conj] [art] | 24 |
|
| 3 | problem [is] [verb] [conj] [art] | 14 |
|
