| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for [art] [noun pl] of | 12 |
|
| 2 | [been] [vb pp] for the [noun pl] of | 12 |
|
| 3 | [been] [vb pp] for [art] purposes of | 7 |
|
