| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have [vb pp] [art] | 4668 |
|
| 2 | could have [vb pp] [art] | 840 |
|
| 3 | we could have [vb pp] | 319 |
|
| 4 | we could have [art] | 110 |
|
