| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [art] | 12042 |
|
| 2 | [modal v] have [art] | 12042 |
|
| 3 | must [verb] [art] | 4797 |
|
| 4 | must have [art] | 753 |
|
| 5 | must have [art] | 753 |
|
