| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun sg] have been [prep] | 7 |
|
| 2 | an [noun sg] [verb] been [prep] | 7 |
|
| 3 | an [noun sg] had been [prep] | 5 |
|
| 4 | an [noun sg] [vb past] been [prep] | 5 |
|
