| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] been to | 389 |
|
| 2 | have once been [prep] | 11 |
|
| 3 | have once been [prep] | 11 |
|
| 4 | have once [been] to | 6 |
|
| 5 | [verb] once been to | 6 |
|
| 6 | have once [be] to | 6 |
|
| 7 | have once been to | 6 |
|
| 8 | have once be to | 6 |
|
