| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [verb] | 16872 |
|
| 2 | who have [vb pp] | 16338 |
|
| 3 | [pron] have had | 10535 |
|
| 4 | who have have | 641 |
|
| 5 | who [verb] had | 628 |
|
