| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] over the | 75 |
|
| 2 | has been [vb pp] over the | 70 |
|
| 3 | had been [vb pp] over the | 46 |
|
| 4 | have been developed over the | 11 |
|
| 5 | have been expressed over the | 9 |
|
| 6 | have been [vb pp] over the | 7 |
|
| 7 | have been raised over the | 6 |
|
| 8 | have been achieved over the | 6 |
|
| 9 | 's been [vb pp] over the | 5 |
|
