No | Pattern | Freq | Relations |
---|---|---|---|
1 | could n't have been [adj] | 49 | |
2 | [vb mod] n't have been [det] | 44 | |
3 | [modal v] n't have been [det] | 44 | |
4 | could [adv] have been [det] | 25 | |
5 | could [not/n't] have been [det] | 19 | |
6 | could not have been [det] | 19 | |
7 | could n't [verb] been [det] | 12 | |
8 | could n't have [been] [det] | 12 | |
9 | could n't have be [det] | 12 | |
10 | could n't have been [det] | 12 | |
11 | could n't have [be] [det] | 12 |