| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must have [vb pp] | 1537 |
|
| 2 | must have [vb pp] [det] | 258 |
|
| 3 | [noun] must have [det] | 49 |
|
| 4 | [noun] have [vb pp] [det] | 12 |
|
