| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] [art] | 2786 |
|
| 2 | [not/n't] [verb] for [art] | 1157 |
|
| 3 | could [verb] for [art] | 238 |
|
| 4 | could [not/n't] [verb] for | 203 |
|
| 5 | could [not/n't] for [art] | 17 |
|
