| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pers pn] have [been] [prep] [det] | 7 |
|
| 2 | when [pers pn] [verb] [been] [prep] [det] | 7 |
|
| 3 | when [pers pn] [verb] been [prep] [det] | 7 |
|
