| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be developed [prep] | 174 |
|
| 2 | it has be [prep] | 156 |
|
| 3 | it be developed [prep] | 27 |
|
| 4 | it has be developed | 18 |
|
| 5 | it has developed [prep] | 13 |
|
