| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been to | 49 |
|
| 2 | who [vb past] been to | 20 |
|
| 3 | who [vb base] been to | 18 |
|
| 4 | who had been to | 15 |
|
| 5 | who have been to | 14 |
|
| 6 | who [vb -s] been to | 11 |
|
| 7 | who has been to | 8 |
|
| 8 | who 'd been to | 5 |
|
