| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [adv] be to | 13 |
|
| 2 | who have [adv] been to | 13 |
|
| 3 | who have [adv] [been] to | 13 |
|
| 4 | who have never [be] to | 7 |
|
| 5 | who had [adv] [be] to | 5 |
|
