| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [been] [verb] [prep] [noun] | 3460 |
|
| 2 | [verb] [been] develop [prep] [noun] | 127 |
|
| 3 | [vb base] [be] develop [prep] [noun] | 39 |
|
| 4 | [vb base] [been] develop [prep] [noun] | 39 |
|
