| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] must have [vb pp] a [noun] | 10 |
|
| 2 | [noun prp] must have [verb] a [noun] | 9 |
|
| 3 | [noun prp] must have [verb] a [noun sg] | 9 |
|
| 4 | [noun prp] must have had a [noun] | 5 |
|
| 5 | [noun prp] must have have a [noun] | 5 |
|
