| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when he [vb past] been [verb] [prep] | 16 |
|
| 2 | when he [vb past] been [vb pp] [prep] | 8 |
|
| 3 | when he [vb past] been [v-ing] [prep] | 8 |
|
