| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he might have been [verb] | 85 |
|
| 2 | he might have been [v-ing] | 45 |
|
| 3 | he might have been [vb pp] | 42 |
|
| 4 | he might have been expected | 6 |
|
| 5 | he might have been expect | 6 |
|
