| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb mod] have have a | 10 |
|
| 2 | who [modal v] have had a | 10 |
|
| 3 | who [modal v] have have a | 10 |
|
| 4 | who [modal v] have have a | 9 |
|
