| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [modal v] have [been] a | 29 |
|
| 2 | [subord] it [modal v] have been a | 29 |
|
| 3 | [subord] it [modal v] have be a | 29 |
|
| 4 | [subord] it [modal v] have [be] a | 29 |
|
| 5 | [subord] it [modal v] have [verb] a | 19 |
|
| 6 | [subord] it [modal v] have [vb pp] a | 18 |
|
| 7 | [subord] it [modal v] have a [noun] | 9 |
|
| 8 | [subord] it [modal v] have a [noun sg] | 8 |
|
| 9 | [subord] it [modal v] have a [adj] | 6 |
|
| 10 | [subord] it [modal v] have a [adj] | 6 |
|
