| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] could [not/n't] [verb] | 1715 |
|
| 2 | [noun pl] could [not/n't] [verb] | 821 |
|
| 3 | [noun sg] [noun pl] could [verb] | 591 |
|
| 4 | [noun sg] [noun pl] [not/n't] [verb] | 172 |
|
| 5 | [noun sg] [noun pl] could [not/n't] | 128 |
|
