| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [vb mod] have [been] a [noun sg] | 17 |
|
| 2 | that [modal v] have been a [noun sg] | 17 |
|
| 3 | that [modal v] have [been] a [noun sg] | 17 |
|
| 4 | that [modal v] have [been] a [noun sg] | 14 |
|
| 5 | that might have [been] a [noun sg] | 7 |
|
| 6 | that might have [been] a [noun sg] | 7 |
|
| 7 | that could have [been] a [noun sg] | 5 |
|
| 8 | that could have [been] a [noun sg] | 5 |
|
