No | Pattern | Freq | Relations |
---|---|---|---|
1 | could have been [vb pp] at [adj] | 12 | |
2 | could [vb infin] been [vb pp] at [adj] | 12 | |
3 | could have been [vb pp] at [adj] | 12 | |
4 | could [verb] been [vb pp] at [det] | 9 | |
5 | could [verb] been [vb pp] at any | 5 | |
6 | could [verb] been [vb pp] at any | 5 |