| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who should have [been] [art] | 6 |
|
| 2 | who should have be [art] | 6 |
|
| 3 | who should have been [art] | 6 |
|
| 4 | who should have [be] [art] | 6 |
|
| 5 | who should have [art] [noun] | 11 |
|
| 6 | who should have [art] [noun sg] | 9 |
|
