| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [verb] a very [adj] | 9 |
|
| 2 | must have [vb pp] a very [adj] | 9 |
|
| 3 | must have [verb] a very [adj] | 8 |
|
| 4 | must have had a very [adj] | 6 |
|
| 5 | must have have a very [adj] | 6 |
|
