| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] [modal v] [verb] | 13334 |
|
| 2 | [noun pl] [conj] [modal v] [verb] | 4378 |
|
| 3 | problem [conj] [modal v] [verb] | 122 |
|
