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