| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who had been [prep] | 319 |
|
| 2 | who had been [prep] | 319 |
|
| 3 | [pron] had been to | 145 |
|
| 4 | who have been to | 49 |
|
| 5 | who [verb] been to | 49 |
|
| 6 | who [vb past] been to | 20 |
|
| 7 | who had [been] to | 15 |
|
| 8 | who had been to | 15 |
|
| 9 | who had be to | 15 |
|
| 10 | who had [be] to | 15 |
|
