| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not have [vb pp] a | 125 |
|
| 2 | [modal v] not have [vb pp] at | 34 |
|
| 3 | [modal v] have [vb pp] at a | 15 |
|
| 4 | not have [vb pp] at a | 14 |
|
