| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] [pron] [adv] | 171 |
|
| 2 | could have [verb] [pers pn] [adv] | 149 |
|
| 3 | [modal v] have [verb] you [adv] | 129 |
|
| 4 | could [verb] [verb] you [adv] | 12 |
|
| 5 | could have [verb] you [adv] | 11 |
|
