| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when we have been [prep] | 7 |
|
| 2 | when we [verb] been [prep] | 7 |
|
| 3 | when we [verb] been [prep] | 7 |
|
| 4 | when we [vb base] been [prep] | 6 |
|
