| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [verb] a [noun] | 11479 |
|
| 2 | [pron] must [verb] [art] [noun] | 1537 |
|
| 3 | [pron] must [verb] [art] [noun] | 1537 |
|
| 4 | [pron] must [verb] a [noun] | 520 |
|
