| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] once been [noun] [prep] | 12 |
|
| 2 | have once been [noun] [prep] | 12 |
|
| 3 | [vb past] once been [noun] [prep] | 10 |
|
| 4 | had once been [noun] [prep] | 10 |
|
| 5 | once been [art] [noun] [prep] | 37 |
|
| 6 | once been [art] [noun] [prep] | 37 |
|
| 7 | once been a [noun] [prep] | 22 |
|
| 8 | once been a [noun] [prep] | 21 |
|
| 9 | once been the [noun] [prep] | 15 |
|
| 10 | once been the [noun] [prep] | 15 |
|
| 11 | once been [noun] [prep] [art] | 5 |
|
| 12 | once been [noun] [prep] [art] | 5 |
|
