| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have had [noun] | 226 |
|
| 2 | we have had [noun pl] | 114 |
|
| 3 | [pron] have had problems | 27 |
|
| 4 | we have [verb] problems | 17 |
|
| 5 | we have [vb pp] problems | 17 |
|
| 6 | we [verb] had problems | 7 |
|
| 7 | we have had problem | 7 |
|
| 8 | we have have problems | 7 |
|
