| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might [adv] have been one [prep] | 5 |
|
| 2 | might [adv] have been one [prep] | 5 |
|
| 3 | might [adv] [verb] been one of | 5 |
|
| 4 | might [adv] [vb infin] been one [prep] | 5 |
|
