| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [prep] [det] [noun] | 577 |
|
| 2 | develop [prep] [det] [noun] | 195 |
|
| 3 | been develop [prep] [noun] | 142 |
|
| 4 | been develop [prep] [det] | 31 |
|
