| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could [adv] have | 85 |
|
| 2 | i could never have | 26 |
|
| 3 | i could easily have | 11 |
|
| 4 | i could possibly have | 8 |
|
| 5 | i could ever have | 7 |
|
