| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could have [been] the [adj] | 8 |
|
| 2 | it could [verb] been the [adj] | 8 |
|
| 3 | it could [vb infin] [been] the [adj] | 8 |
|
| 4 | it could have [been] the [adj] | 8 |
|
| 5 | it could [verb] [been] the [adj] | 8 |
|
| 6 | it could [verb] [been] the [adj] | 5 |
|
