| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have [been] a [adj -er] [noun] | 8 |
|
| 2 | might have [been] a [adj -er] [noun sg] | 8 |
|
| 3 | might have been a [adj -er] [noun] | 8 |
|
| 4 | might have [been] a better [noun] | 7 |
|
