| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [adv] [verb] | 2407 |
|
| 2 | [adv] [adv] [verb] for | 1456 |
|
| 3 | could [adv] [verb] for | 352 |
|
| 4 | could [adv] [verb] for | 149 |
|
