| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [noun prp] [noun] | 306 |
|
| 2 | once been [noun] | 41 |
|
| 3 | once [noun prp] [noun] | 33 |
|
| 4 | once been [noun prp] | 14 |
|
