| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [vb pp] | 38037 |
|
| 2 | [vb mod] have [vb pp] | 38037 |
|
| 3 | must [verb] [vb pp] | 4653 |
|
| 4 | must [vb infin] [vb pp] | 4653 |
|
| 5 | must have [vb pp] | 4607 |
|
| 6 | must have [verb] | 4562 |
|
| 7 | must have [vb pp] | 4527 |
|
