| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] in a | 776 |
|
| 2 | might have [been] [verb] in | 51 |
|
| 3 | might have [been] [verb] a | 13 |
|
| 4 | might have [verb] in a | 10 |
|
| 5 | might have [been] in a | 9 |
|
