| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have [vb pp] [noun] | 1670 |
|
| 2 | [pron] have [vb pp] letter | 23 |
|
| 3 | we [verb] [vb pp] letter | 5 |
|
| 4 | we have [verb] letter | 5 |
|
