| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been to | 49 |
|
| 2 | who had [been] to | 15 |
|
| 3 | who have [been] to | 14 |
|
| 4 | who has [been] to | 8 |
|
| 5 | who 'd [been] to | 5 |
|
