| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have once [been] a [adj] [noun sg] | 19 |
|
| 2 | [verb] once [been] a [adj] [noun sg] | 19 |
|
| 3 | [vb past] once [been] a [adj] [noun sg] | 18 |
|
| 4 | had once [been] a [adj] [noun sg] | 18 |
|
| 5 | once [been] a [adj] [adj] [noun sg] | 5 |
|
| 6 | once [been] a [adj] [adj] [noun sg] | 5 |
|
| 7 | once [been] a [adj] [adj] [noun sg] | 5 |
|
| 8 | once [been] a [adj] [adj] [noun sg] | 5 |
|
