| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been developed over the | 11 |
|
| 2 | have be developed over the | 11 |
|
| 3 | [vb base] be developed over the | 6 |
|
| 4 | have be developed over the | 6 |
|
| 5 | [vb -s] be developed over the | 5 |
|
