| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could [adv] [verb] | 5597 |
|
| 2 | i [vb mod] [adv] have | 2450 |
|
| 3 | i [modal v] [adv] have | 2450 |
|
| 4 | [pron] could [adv] have | 1770 |
|
| 5 | i could [adv] have | 313 |
|
