| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have [vb pp] a letter | 18 |
|
| 2 | we have [verb] a letter | 18 |
|
| 3 | we 've [verb] a letter | 9 |
|
| 4 | we have [verb] a letter | 6 |
|
| 5 | we have had a letter | 5 |
|
| 6 | we have got a letter | 5 |
|
| 7 | we have get a letter | 5 |
|
| 8 | we have have a letter | 5 |
|
