| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have been developed [prep] [det] | 7 |
|
| 2 | which have been developed [prep] [adj] | 7 |
|
| 3 | which have been developed [prep] [adj] | 5 |
|
| 4 | which has been developed [prep] [adj] | 5 |
|
