No | Pattern | Freq | Relations |
---|---|---|---|
1 | could [adv] have been [det] | 25 | |
2 | could [not/n't] have been [det] | 19 | |
3 | could not have been [det] | 19 | |
4 | could n't have been [det] | 12 | |
5 | could not have been [det] | 7 | |
6 | could [adv] have been that | 7 | |
7 | could [adv] have been more | 6 | |
8 | could [adv] have been [det] | 6 |