| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] a [noun] | 2758 |
|
| 2 | [vb infin] a [noun] [pers pn] | 278 |
|
| 3 | could [vb infin] [noun] [pers pn] | 10 |
|
