| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been subject to | 49 |
|
| 2 | has [not/n't] been to | 19 |
|
| 3 | [not/n't] been subject to | 13 |
|
| 4 | has [not/n't] been subject | 5 |
|
