| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [vb pp] down from | 7 |
|
| 2 | who have [vb pp] down from | 7 |
|
| 3 | who had [vb pp] down from | 6 |
|
| 4 | who have come down from | 5 |
|
