| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] have [pos pn] [noun] | 17 |
|
| 2 | i could have [pos pn] [noun] | 12 |
|
| 3 | i could [adv] have [noun] | 7 |
|
| 4 | i could [adv] have [pos pn] | 6 |
|
