| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who had [adv] been | 461 |
|
| 2 | who had [adv] been | 363 |
|
| 3 | [pron] had once been | 229 |
|
| 4 | who have once been | 38 |
|
| 5 | who [verb] once been | 38 |
|
| 6 | who [vb past] once been | 37 |
|
| 7 | [Wh pn] had once been | 34 |
|
| 8 | who had once [be] | 34 |
|
| 9 | who had once [been] | 34 |
|
| 10 | who had once be | 34 |
|
| 11 | who had once been | 34 |
|
| 12 | who had once been | 34 |
|
