| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who had been [prep] | 319 |
|
| 2 | who had been in | 137 |
|
| 3 | who had been on | 56 |
|
| 4 | who had been at | 44 |
|
| 5 | who had been with | 30 |
|
| 6 | who had been to | 15 |
|
| 7 | who had been through | 8 |
|
| 8 | who had been under | 8 |
|
| 9 | who had been for | 5 |
|
