| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been developed [coord] [verb] [prep] | 15 |
|
| 2 | have been developed [coord] [verb] [prep] | 15 |
|
| 3 | has been developed [coord] [verb] [prep] | 8 |
|
| 4 | [vb -s] been developed [coord] [verb] [prep] | 8 |
|
| 5 | been developed [coord] [verb] [prep] [art] | 8 |
|
| 6 | been developed [coord] [verb] [prep] [art] | 8 |
|
| 7 | been developed [coord] [verb] [prep] the | 8 |
|
| 8 | been developed [coord] [verb] [prep] the | 8 |
|
| 9 | been developed [coord] [verb] [prep] [noun] | 5 |
|
