| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] i could [vb infin] [noun] | 48 |
|
| 2 | [verb] i could [verb] [noun] | 48 |
|
| 3 | [verb] i [modal v] have [noun] | 24 |
|
| 4 | [verb] [pron] could have [noun] | 11 |
|
| 5 | [verb] i could have [noun] | 6 |
|
