| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been [noun pl] | 242 |
|
| 2 | once been [noun] | 41 |
|
| 3 | once be [noun pl] | 17 |
|
| 4 | once [be] [noun pl] | 17 |
|
| 5 | once [been] [noun pl] | 15 |
|
