| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [verb] [art] | 8150 |
|
| 2 | [modal v] have [verb] [art] | 8150 |
|
| 3 | must [verb] [verb] [art] | 951 |
|
| 4 | must have [verb] [art] | 773 |
|
