| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must have had a | 33 |
|
| 2 | [noun] must have have a | 33 |
|
| 3 | [noun sg] must have have a | 19 |
|
| 4 | [noun prp] must have have a | 10 |
|
