| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [been] an [noun] | 123 |
|
| 2 | once [been] [art] [noun] | 91 |
|
| 3 | once [been] [art] [noun] | 91 |
|
| 4 | once [been] a [noun] | 59 |
|
| 5 | once [be] an [noun] | 6 |
|
