| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] [prep] a [noun] | 3143 |
|
| 2 | [verb] been [vb pp] [prep] a [noun] | 2819 |
|
| 3 | [verb] been developed [prep] [art] [noun] | 87 |
|
| 4 | [verb] been developed [prep] [art] [noun] | 87 |
|
| 5 | [verb] been developed [prep] a [noun] | 29 |
|
| 6 | [verb] [been] developed [prep] a [noun] | 26 |
|
| 7 | [verb] been developed [prep] a [noun] | 26 |
|
| 8 | [verb] been develop [prep] a [noun] | 26 |
|
| 9 | [verb] [be] developed [prep] a [noun] | 26 |
|
| 10 | [verb] be developed [prep] a [noun] | 26 |
|
