| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have be [vb pp] down | 11 |
|
| 2 | who have be [vb pp] down | 11 |
|
| 3 | who have been [vb pp] down | 11 |
|
| 4 | who had be [vb pp] down | 7 |
|
