| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [noun] | 4300 |
|
| 2 | [verb] once [been] | 403 |
|
| 3 | [verb] once [noun] | 59 |
|
| 4 | once [been] [noun] | 41 |
|
