| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] a | 4891 |
|
| 2 | who have been [vb pp] [prep] | 1226 |
|
| 3 | who have [vb pp] [prep] a | 202 |
|
| 4 | who have been [vb pp] a | 45 |
|
| 5 | who have been [prep] a | 43 |
|
