| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] you [modal v] have | 874 |
|
| 2 | [adv] you could [verb] | 704 |
|
| 3 | [adv] [pron] could have | 508 |
|
| 4 | [adv] [pers pn] could have | 478 |
|
| 5 | [adv] you could have | 83 |
|
