| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [vb pp] [prep] | 704 |
|
| 2 | must have [vb pp] [prep] | 704 |
|
| 3 | [modal v] have [vb pp] from | 449 |
|
| 4 | must [verb] [vb pp] from | 56 |
|
| 5 | must have [verb] from | 55 |
|
| 6 | must have [vb pp] from | 55 |
|
