| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who had [adv] been to | 9 |
|
| 2 | who had [adv] be to | 9 |
|
| 3 | who had [adv] [been] to | 9 |
|
| 4 | who had [adv] [be] to | 5 |
|
