| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been on | 126 |
|
| 2 | would have been on | 36 |
|
| 3 | should have been on | 24 |
|
| 4 | must have been on | 20 |
|
| 5 | might have been on | 16 |
|
| 6 | could have been on | 10 |
|
| 7 | may have been on | 9 |
|
| 8 | 'd have been on | 8 |
|
