| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [pers pn] could [adv] [vb infin] | 1412 |
|
| 2 | [pers pn] could [adv] [vb infin] a | 863 |
|
| 3 | [noun] could [adv] [vb infin] a | 332 |
|
| 4 | [noun] [pers pn] could [vb infin] a | 176 |
|
