| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have had [art] [noun] | 459 |
|
| 2 | should have [verb] [art] [noun] | 438 |
|
| 3 | should have [vb pp] [art] [noun] | 419 |
|
| 4 | should have have [art] [noun] | 53 |
|
| 5 | should [verb] had [art] [noun] | 53 |
|
