| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] could have [verb] | 724 |
|
| 2 | [noun sg] could have [vb pp] | 720 |
|
| 3 | [noun sg] [modal v] have gone | 130 |
|
| 4 | [noun] could have gone | 39 |
|
| 5 | [noun sg] could have go | 21 |
|
| 6 | [noun sg] could have gone | 20 |
|
| 7 | [noun sg] could [verb] gone | 20 |
|
| 8 | [noun sg] could [vb infin] gone | 20 |
|
