| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [verb] [prep] [adj] [noun] | 7000 |
|
| 2 | [verb] [been] [vb pp] [prep] [adj] [noun] | 6248 |
|
| 3 | [verb] [been] develop [prep] [adj] [noun] | 65 |
|
| 4 | [verb] [be] developed [prep] [adj] [noun] | 61 |
|
