| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [vb past] [been] [prep] [noun prp] | 18 |
|
| 2 | [noun pl] had [been] [prep] [noun prp] | 18 |
|
| 3 | [noun pl] [vb past] been [prep] [noun prp] | 18 |
|
