| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [verb] by [noun] | 607 |
|
| 2 | [noun pl] have been [vb pp] by [noun] | 606 |
|
| 3 | [noun] have been produced by [noun] | 20 |
|
| 4 | [noun pl] have been produced [prep] [noun] | 19 |
|
| 5 | [noun pl] have been produced [prep] [noun] | 19 |
|
| 6 | [noun pl] have [be] produced by [noun] | 10 |
|
| 7 | [noun pl] have [been] produced by [noun] | 10 |
|
| 8 | [noun pl] have been produce by [noun] | 10 |
|
| 9 | [noun pl] have been produced by [noun] | 10 |
|
| 10 | [noun pl] have be produced by [noun] | 10 |
|
| 11 | [noun pl] [verb] been produced by [noun] | 10 |
|
