| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] a [noun sg] | 61626 |
|
| 2 | must [verb] a [noun sg] | 985 |
|
| 3 | [noun] must [verb] a | 783 |
|
| 4 | [noun] must [verb] [noun sg] | 503 |
|
