| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | would have done a | 10 |
|
| 2 | could have done a | 9 |
|
| 3 | should have done a | 9 |
|
| 4 | must have done a | 6 |
|
| 5 | 'd have done a | 6 |
|
| 6 | might have done a | 5 |
|
