| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have problems | 28 |
|
| 2 | we [vb base] problems | 22 |
|
| 3 | we have problems | 16 |
|
| 4 | we [vb past] problems | 14 |
|
| 5 | we had problems | 12 |
|
