| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] a [adj] | 249 |
|
| 2 | [not/n't] [verb] for a [adj] | 143 |
|
| 3 | could [not/n't] [verb] for [adj] | 47 |
|
| 4 | could [verb] for a [adj] | 31 |
|
| 5 | could [not/n't] [verb] for a | 24 |
|
