| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have done | 439 |
|
| 2 | could have had | 225 |
|
| 3 | could have gone | 203 |
|
| 4 | could have got | 135 |
|
| 5 | could have made | 115 |
|
| 6 | could have happened | 104 |
|
| 7 | could have taken | 95 |
|
| 8 | could have come | 91 |
|
| 9 | could have said | 69 |
|
| 10 | could have told | 67 |
|
| 11 | could have given | 63 |
|
| 12 | could have seen | 51 |
|
| 13 | could have found | 49 |
|
| 14 | could have saved | 45 |
|
| 15 | could have killed | 45 |
|
| 16 | could have sworn | 44 |
|
| 17 | could have used | 40 |
|
| 18 | could have wished | 37 |
|
| 19 | could have put | 36 |
|
| 20 | could have caused | 33 |
|
| 21 | could have won | 33 |
|
| 22 | could have turned | 32 |
|
| 23 | could have imagined | 30 |
|
| 24 | could have known | 30 |
|
| 25 | could have expected | 30 |
|
| 26 | could have led | 30 |
|
| 27 | could have hoped | 29 |
|
| 28 | could have left | 28 |
|
| 29 | could have brought | 28 |
|
| 30 | could have prepared | 26 |
|
