| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he could [vb infin] have a [noun] | 8 |
|
| 2 | he could [vb infin] had a [noun] | 8 |
|
| 3 | he could have have a [noun] | 8 |
|
| 4 | he could [vb infin] have a [noun sg] | 8 |
|
