| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [noun] could [adv] [vb infin] | 350 |
|
| 2 | [noun] could [adv] [vb infin] to | 120 |
|
| 3 | [conj] [noun] could [vb infin] to | 59 |
|
| 4 | [conj] could [adv] [vb infin] to | 23 |
|
