| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [adv] | 3631 |
|
| 2 | [verb] [adv] [noun sg] | 3602 |
|
| 3 | could [verb] [noun sg] | 2313 |
|
| 4 | could [adv] [noun sg] | 41 |
|
