| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] for [noun] | 1439 |
|
| 2 | been develop [prep] [noun] | 142 |
|
| 3 | be develop for [noun] | 56 |
|
| 4 | [be] develop for [noun] | 56 |
|
| 5 | [been] develop for [noun] | 21 |
|
