| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [vb pp] on a | 20 |
|
| 2 | who have [verb] on a | 19 |
|
| 3 | who had [verb] on a | 11 |
|
| 4 | who have [verb] on a | 5 |
|
