| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [been] in | 460 |
|
| 2 | should have [been] [prep] | 113 |
|
| 3 | should [verb] [been] in | 37 |
|
| 4 | should have [be] in | 37 |
|
| 5 | should have [been] in | 37 |
|
| 6 | should [vb infin] [been] in | 37 |
|
