| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] that | 49 |
|
| 2 | [modal v] have [been] that | 49 |
|
| 3 | could have [been] [conj] | 18 |
|
| 4 | could have [been] [that] | 8 |
|
| 5 | could have [be] that | 8 |
|
| 6 | could [vb infin] [been] that | 8 |
|
| 7 | could have [been] that | 8 |
|
| 8 | could [verb] [been] that | 8 |
|
| 9 | could have [been] that | 8 |
|
| 10 | could have [been] that | 8 |
|
