| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [verb] for [noun] | 1202 |
|
| 2 | [verb] [been] develop [prep] [noun] | 127 |
|
| 3 | [verb] [been] develop [prep] [noun] | 127 |
|
| 4 | [verb] [been] develop for [noun] | 19 |
|
| 5 | [verb] [be] develop for [noun] | 19 |
|
