| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might well have [been] [verb] [prep] | 14 |
|
| 2 | might well have [been] [vb pp] [prep] | 13 |
|
| 3 | might well have [been] [adj] [prep] | 7 |
|
| 4 | might well have [been] [adj] [prep] | 5 |
|
