| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have to be [vb pp] over | 6 |
|
| 2 | [modal v] have to be [vb pp] over | 6 |
|
| 3 | have to be [vb pp] over [art] | 7 |
|
| 4 | have to be [vb pp] over [art] | 7 |
|
