| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [pos pn] [noun] | 757 |
|
| 2 | once [pos pn] [noun] | 80 |
|
| 3 | once [been] [noun] | 41 |
|
| 4 | once [been] [pos pn] | 13 |
|
