| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | or they may have [been] | 6 |
|
| 2 | or they may have [been] | 6 |
|
| 3 | or they may [verb] been | 6 |
|
| 4 | or they may [verb] [been] | 6 |
|
| 5 | or they may [vb infin] [been] | 6 |
|
