| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] have [be] the [num ord] | 10 |
|
| 2 | it [modal v] have been the [num ord] | 10 |
|
| 3 | it [modal v] have [been] the [num ord] | 10 |
|
| 4 | it [modal v] have be the [num ord] | 10 |
|
| 5 | it must have [be] the [num ord] | 5 |
|
| 6 | it must have [be] the [num ord] | 5 |
|
