| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [modal v] have been [verb] | 253 |
|
| 2 | [conj] could have been [verb] | 88 |
|
| 3 | that could have [been] [verb] | 55 |
|
| 4 | that could have been [verb] | 55 |
|
| 5 | [that] could have been [verb] | 55 |
|
| 6 | that could have be [verb] | 55 |
|
| 7 | that could have [be] [verb] | 55 |
|
| 8 | that could [verb] been [verb] | 55 |
|
