| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [verb] | 18940 |
|
| 2 | [noun pl] have been [vb pp] | 17198 |
|
| 3 | [noun] have been produced | 218 |
|
| 4 | [noun pl] have been produce | 99 |
|
| 5 | [noun pl] have be produced | 96 |
|
| 6 | [noun pl] have [be] produced | 96 |
|
| 7 | [noun pl] have [been] produced | 96 |
|
| 8 | [noun pl] [verb] been produced | 96 |
|
