| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have once been [art] [noun sg] [prep] | 35 |
|
| 2 | have once been [art] [noun sg] [prep] | 35 |
|
| 3 | have once been a [noun sg] [prep] | 22 |
|
| 4 | have once been a [noun sg] [prep] | 21 |
|
| 5 | have once been the [noun sg] [prep] | 13 |
|
| 6 | have once been the [noun sg] [prep] | 13 |
|
