| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] if [pers pn] [verb] been [prep] | 6 |
|
| 2 | [vb pp] if [pers pn] have [been] [prep] | 6 |
|
| 3 | [vb pp] if [pers pn] [verb] [been] [prep] | 6 |
|
| 4 | [vb pp] if [pers pn] [vb past] [been] [prep] | 5 |
|
