| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] [pos pn] [noun] | 67 |
|
| 2 | might have been [prep] [noun] | 38 |
|
| 3 | might have been [pos pn] [noun] | 13 |
|
| 4 | might have [prep] [pos pn] [noun] | 9 |
|
| 5 | might have been [prep] [pos pn] | 8 |
|
