| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have produced a | 25 |
|
| 2 | [vb mod] have produced a | 25 |
|
| 3 | would have produced a | 14 |
|
| 4 | would have produced a | 14 |
|
| 5 | [adv] have produced a | 6 |
|
| 6 | might have produced a | 5 |
|
| 7 | [adv] have produced a | 5 |
|
| 8 | might have produced a | 5 |
|
| 9 | have produced a [adj] | 17 |
|
| 10 | have produced a [noun] | 11 |
|
| 11 | have produced a [adj] | 10 |
|
| 12 | have produced a [noun sg] | 10 |
|
| 13 | have produced a [adj -er] | 5 |
|
