| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could n't [verb] [art] [adj] | 218 |
|
| 2 | could n't [vb infin] [art] [adj] | 218 |
|
| 3 | [modal v] n't have [art] [adj] | 82 |
|
| 4 | could [adv] have [art] [adj] | 38 |
|
| 5 | could n't have [art] [adj] | 15 |
|
| 6 | could not have [art] [adj] | 12 |
|
| 7 | could [not/n't] have [art] [adj] | 12 |
|
| 8 | could n't have [art] [adj] | 7 |
|
