| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] [noun] | 863 |
|
| 2 | might have been [verb] [prep] | 346 |
|
| 3 | might have [verb] [prep] [noun] | 127 |
|
| 4 | might have been [prep] [noun] | 38 |
|
| 5 | might have been [verb] [noun] | 18 |
|
