| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have be [vb pp] up by | 9 |
|
| 2 | who have be [vb pp] up by | 9 |
|
| 3 | who have been [vb pp] up by | 9 |
|
| 4 | who had be [vb pp] up by | 8 |
|
