| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [vb pp] over the | 75 |
|
| 2 | has [been] [vb pp] over the | 70 |
|
| 3 | [vb -s] [been] expressed over the | 7 |
|
| 4 | [vb -s] [been] developed over the | 5 |
|
| 5 | 's [been] [vb pp] over the | 5 |
|
