| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [vb mod] have [verb] an | 26 |
|
| 2 | we [vb mod] have [vb pp] an | 16 |
|
| 3 | we [vb mod] have [to-vb] an | 10 |
|
| 4 | we should have [verb] an | 5 |
|
| 5 | we would have [verb] an | 5 |
|
