| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | would have cost | 81 |
|
| 2 | must have cost | 38 |
|
| 3 | could have cost | 18 |
|
| 4 | may have cost | 13 |
|
| 5 | will have cost | 8 |
|
| 6 | might have cost | 8 |
|
