| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have [been] [adj] | 168 |
|
| 2 | should have be [adj] | 168 |
|
| 3 | should have been [adj] | 168 |
|
| 4 | should have [be] able | 28 |
|
| 5 | should have [be] aware | 10 |
|
| 6 | should have [be] obvious | 9 |
|
