| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have been [prep] | 113 |
|
| 2 | should have [been] in | 37 |
|
| 3 | should have [been] on | 24 |
|
| 4 | should have [been] at | 21 |
|
| 5 | should have [been] with | 10 |
|
