| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] [noun] [prep] | 111 |
|
| 2 | might have been [prep] [noun] | 38 |
|
| 3 | might have been [noun] [prep] | 14 |
|
| 4 | might have [prep] [noun] [prep] | 7 |
|
