| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have [verb] his [noun] | 40 |
|
| 2 | should have [vb pp] his [noun] | 37 |
|
| 3 | should have been his [noun] | 5 |
|
| 4 | should have [been] his [noun] | 5 |
|
| 5 | should have [be] his [noun] | 5 |
|
| 6 | should have be his [noun] | 5 |
|
