No | Pattern | Freq | Relations |
---|---|---|---|
1 | could have [verb] a | 273 | |
2 | could have [vb pp] a | 273 | |
3 | [modal v] have done a | 47 | |
4 | [vb mod] have done a | 47 | |
5 | could have done [art] | 18 | |
6 | could have done [art] | 18 | |
7 | could have done a | 10 | |
8 | could [verb] done a | 10 | |
9 | could [vb infin] done a | 10 | |
10 | could have done a | 9 | |
11 | could have do a | 9 | |
12 | could have done a | 9 |