| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] could you have | 19 |
|
| 2 | [Wh adv] could you have | 16 |
|
| 3 | how could you have | 16 |
|
| 4 | how could you have | 16 |
|
| 5 | could [adv] you have | 28 |
|
| 6 | could [not/n't] you have | 28 |
|
| 7 | could not you have | 28 |
|
| 8 | could n't you have | 28 |
|
| 9 | could you [adv] have | 12 |
|
| 10 | could you not have | 6 |
|
| 11 | could you not have | 6 |
|
| 12 | could you [adv] have | 6 |
|
| 13 | could you [not/n't] have | 6 |
|
| 14 | could you [modal v] have | 5 |
|
| 15 | could you [vb mod] have | 5 |
|
| 16 | could you have [vb pp] | 31 |
|
| 17 | could you have [verb] | 31 |
|
| 18 | could you have done | 7 |
|
| 19 | could you have do | 7 |
|
