| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [verb] [noun sg] | 1505 |
|
| 2 | [modal v] have [verb] [noun sg] | 1505 |
|
| 3 | could have [verb] [noun] | 310 |
|
| 4 | could [verb] [verb] [noun sg] | 229 |
|
| 5 | could have [verb] [noun sg] | 133 |
|
