| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [pron] could [vb infin] | 5437 |
|
| 2 | [noun] [vb past] [pron] [vb infin] | 2126 |
|
| 3 | [vb past] [pron] could [vb infin] | 1462 |
|
| 4 | [noun] [vb past] [pron] could | 601 |
|
| 5 | [noun] [vb past] could [vb infin] | 13 |
|
