| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [verb] a [noun] | 1913 |
|
| 2 | [modal v] [verb] [to-vb] a [noun] | 1637 |
|
| 3 | [modal v] have [to-vb] [art] [noun] | 1177 |
|
