| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [pron] must [vb infin] | 145 |
|
| 2 | a [noun] [pers pn] must [vb infin] | 96 |
|
| 3 | [noun] [pron] [pers pn] must [vb infin] | 74 |
|
| 4 | a [noun] [pron] [pers pn] must | 16 |
|
