No | Pattern | Freq | Relations |
---|---|---|---|
1 | could have been [verb] [det] [noun] | 7 | |
2 | could [verb] been [verb] [det] [noun] | 7 | |
3 | could [verb] been [vb pp] [det] [noun] | 7 | |
4 | could [vb infin] been [verb] [det] [noun] | 7 | |
5 | could have been [verb] [det] [noun] | 7 | |
6 | could [verb] been [verb] [det] time | 5 |