| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [been] [det] | 361 |
|
| 2 | should have [been] [adj] | 222 |
|
| 3 | should [verb] [been] [det] | 13 |
|
| 4 | should have [been] [det] | 13 |
|
| 5 | should have [be] [det] | 13 |
|
| 6 | should [vb infin] [been] [det] | 13 |
|
