| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] [noun prp] could [vb infin] | 125 |
|
| 2 | [adv] [adv] [conj] [noun prp] could | 55 |
|
| 3 | [adv] [adv] [noun prp] could [vb infin] | 12 |
|
