| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have have a [noun sg] | 331 |
|
| 2 | could have [verb] a [noun sg] | 166 |
|
| 3 | could have have [art] [noun sg] | 51 |
|
| 4 | could [vb infin] have a [noun sg] | 41 |
|
| 5 | could [verb] have a [noun sg] | 41 |
|
| 6 | could have have a [noun sg] | 36 |
|
| 7 | could have have a [noun] | 34 |
|
