| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [vb pp] a [noun] | 1456 |
|
| 2 | should have [vb pp] [art] [noun] | 419 |
|
| 3 | should have [verb] a [noun] | 143 |
|
| 4 | should [verb] [vb pp] a [noun] | 137 |
|
