| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] [prep] [noun] | 2032 |
|
| 2 | could [verb] [prep] [noun] | 1712 |
|
| 3 | could have [verb] [prep] | 869 |
|
| 4 | could have [verb] [noun] | 298 |
|
| 5 | could have [prep] [noun] | 16 |
|
