| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] have [verb] [pron] [prep] | 34 |
|
| 2 | could [not/n't] have [verb] [pron] [prep] | 34 |
|
| 3 | [vb mod] [not/n't] have [verb] [pron] to | 33 |
|
| 4 | [modal v] [not/n't] have [verb] [pron] to | 33 |
|
| 5 | could [adv] have [verb] [pron] to | 15 |
|
| 6 | could [not/n't] [verb] [verb] [pron] to | 11 |
|
| 7 | could [not/n't] have [verb] [pron] to | 10 |
|
| 8 | could [not/n't] have [verb] [pron] to | 10 |
|
