| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had been [vb pp] to [adj] | 55 |
|
| 2 | [noun pl] [vb past] been [vb pp] to [adj] | 23 |
|
| 3 | [noun pl] [vb past] been [vb pp] to [det] | 16 |
|
| 4 | [noun pl] [vb past] been [vb pp] to [num] | 15 |
|
| 5 | [noun pl] [vb past] been [vb pp] to this | 7 |
|
| 6 | [noun pl] [vb past] been [vb pp] to this | 7 |
|
| 7 | [noun pl] [vb past] been exposed to [adj] | 6 |
|
| 8 | [noun pl] [vb past] been subjected to [adj] | 6 |
|
| 9 | [noun pl] [vb past] been reduced to [adj] | 5 |
|
