| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] a | 6770 |
|
| 2 | having been [vb pp] [prep] | 859 |
|
| 3 | having [vb pp] [prep] a | 164 |
|
| 4 | having been [vb pp] a | 27 |
|
| 5 | having been [prep] a | 14 |
|
