| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [prep] [noun prp] | 889 |
|
| 2 | [verb] been develop [prep] | 390 |
|
| 3 | been develop [prep] [noun prp] | 50 |
|
| 4 | [verb] develop [prep] [noun prp] | 25 |
|
