| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pers pn] could [vb infin] | 6530 |
|
| 2 | [pers pn] could [vb infin] [noun] | 2375 |
|
| 3 | [subord] [pers pn] could [noun] | 34 |
|
