| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] could have | 529 |
|
| 2 | [verb] [pron] have [noun] | 310 |
|
| 3 | [pron] could have [noun] | 107 |
|
| 4 | [verb] [pron] could [noun] | 17 |
|
