| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] a [adj] | 126 |
|
| 2 | [modal v] not have a [adj] | 70 |
|
| 3 | could [adv] have a [adj] | 35 |
|
| 4 | could [not/n't] have a [adj] | 19 |
|
| 5 | could not have a [adj] | 19 |
|
| 6 | could not have [art] [adj] | 8 |
|
| 7 | could not have [art] [adj] | 8 |
|
| 8 | could not have a [adj] | 6 |
|
