| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] of [been] | 106 |
|
| 2 | [pron] might of [been] | 18 |
|
| 3 | it might [prep] [been] | 11 |
|
| 4 | it might of [be] | 11 |
|
