| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] you could [verb] | 1038 |
|
| 2 | [subord] you [modal v] have | 612 |
|
| 3 | [subord] [pron] could have | 565 |
|
| 4 | [subord] [pers pn] could have | 541 |
|
| 5 | [conj] you could have | 152 |
|
| 6 | [subord] you could have | 65 |
|
