| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has been [verb] to | 117 |
|
| 2 | it has been [vb pp] to | 113 |
|
| 3 | it has been [adj] to | 21 |
|
| 4 | it has been [adj] to | 20 |
|
| 5 | it has been subjected to | 7 |
|
| 6 | it has been subject to | 7 |
|
| 7 | it has been applied to | 6 |
|
| 8 | it has been apply to | 6 |
|
| 9 | it has been known to | 6 |
|
| 10 | it has been suggest to | 6 |
|
| 11 | it has been know to | 6 |
|
| 12 | it has been suggested to | 5 |
|
| 13 | it has been left to | 5 |
|
| 14 | it has been bring to | 5 |
|
| 15 | it has been brought to | 5 |
|
| 16 | it has been refer to | 5 |
|
| 17 | it has been referred to | 5 |
|
| 18 | it has been leave to | 5 |
|
