No | Pattern | Freq | Relations |
---|---|---|---|
1 | could have [vb pp] [adv] [adj] | 73 | |
2 | [modal v] have [vb pp] [adv] [adj -er] | 17 | |
3 | could [vb infin] [vb pp] [adv] [adj -er] | 6 | |
4 | could have [vb pp] [adv] [adj -er] | 6 | |
5 | could [verb] [vb pp] [adv] [adj -er] | 6 | |
6 | could have [verb] [adv] [adj -er] | 6 |